diff --git a/modules/arte/backend.py b/modules/arte/backend.py
index a68d46f5..69e0486f 100644
--- a/modules/arte/backend.py
+++ b/modules/arte/backend.py
@@ -20,7 +20,8 @@
 
 from __future__ import with_statement
 
-from weboob.capabilities.video import ICapVideo
+from weboob.capabilities.video import ICapVideo, BaseVideo
+from weboob.capabilities.collection import ICapCollection, CollectionNotFound
 from weboob.tools.backend import BaseBackend, BackendConfig
 from weboob.tools.value import Value
 
@@ -31,7 +32,7 @@ from .video import ArteVideo
 __all__ = ['ArteBackend']
 
 
-class ArteBackend(BaseBackend, ICapVideo):
+class ArteBackend(BaseBackend, ICapVideo, ICapCollection):
     NAME = 'arte'
     MAINTAINER = 'Romain Bignon'
     EMAIL = 'romain@weboob.org'
@@ -50,7 +51,7 @@ class ArteBackend(BaseBackend, ICapVideo):
         with self.browser:
             return self.browser.get_video(_id)
 
-    def search_videos(self, pattern=None, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, max_results=None):
+    def search_videos(self, pattern, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, max_results=None):
         with self.browser:
             return self.browser.search_videos(pattern)
 
@@ -65,4 +66,21 @@ class ArteBackend(BaseBackend, ICapVideo):
 
         return video
 
+    def iter_resources(self, objs, split_path):
+        if BaseVideo in objs:
+            collection = self.get_collection(objs, split_path)
+            if collection.path_level == 0:
+                yield self.get_collection(objs, [u'latest'])
+            if collection.split_path == [u'latest']:
+                for video in self.browser.latest_videos():
+                    yield video
+
+    def validate_collection(self, objs, collection):
+        if collection.path_level == 0:
+            return
+        if BaseVideo in objs and collection.split_path == [u'latest']:
+            collection.title = u'Latest Arte videos'
+            return
+        raise CollectionNotFound(collection.split_path)
+
     OBJECTS = {ArteVideo: fill_video}
diff --git a/modules/arte/browser.py b/modules/arte/browser.py
index 7328befe..57938e86 100644
--- a/modules/arte/browser.py
+++ b/modules/arte/browser.py
@@ -36,7 +36,7 @@ class ArteBrowser(BaseBrowser):
              r'http://videos.arte.tv/\w+/videos/(?P<id>.+)\.html': VideoPage
             }
 
-    SEARCH_LANG = {'fr': 'recherche', 'de':'suche', 'en': 'search'}
+    SEARCH_LANG = {'fr': 'recherche', 'de': 'suche', 'en': 'search'}
 
     def __init__(self, lang, quality, *args, **kwargs):
         BaseBrowser.__init__(self, *args, **kwargs)
@@ -52,9 +52,11 @@ class ArteBrowser(BaseBrowser):
         self.location('http://videos.arte.tv/fr/videos/toutesLesVideos')
 
     def search_videos(self, pattern):
-        if not pattern:
-            self.home()
-        else:
-            self.location(self.buildurl('/%s/do_search/videos/%s' % (self.lang, self.SEARCH_LANG[self.lang]), q=pattern.encode('utf-8')))
+        self.location(self.buildurl('/%s/do_search/videos/%s' % (self.lang, self.SEARCH_LANG[self.lang]), q=pattern.encode('utf-8')))
+        assert self.is_on_page(IndexPage)
+        return self.page.iter_videos()
+
+    def latest_videos(self):
+        self.home()
         assert self.is_on_page(IndexPage)
         return self.page.iter_videos()
diff --git a/modules/arte/test.py b/modules/arte/test.py
index ec9926ab..81ada165 100644
--- a/modules/arte/test.py
+++ b/modules/arte/test.py
@@ -19,13 +19,22 @@
 
 
 from weboob.tools.test import BackendTest
+from weboob.capabilities.video import BaseVideo
+
 
 class ArteTest(BackendTest):
     BACKEND = 'arte'
 
-    def test_arte(self):
+    def test_search(self):
         l = list(self.backend.search_videos('arte'))
         if len(l) > 0:
             v = l[0]
             self.backend.fillobj(v, ('url',))
             self.assertTrue(v.url and v.url.startswith('rtmp://'), 'URL for video "%s" not found: %s' % (v.id, v.url))
+
+    def test_latest(self):
+        l = list(self.backend.iter_resources([BaseVideo], [u'latest']))
+        assert len(l)
+        v = l[0]
+        self.backend.fillobj(v, ('url',))
+        self.assertTrue(v.url and v.url.startswith('rtmp://'), 'URL for video "%s" not found: %s' % (v.id, v.url))
diff --git a/modules/canalplus/backend.py b/modules/canalplus/backend.py
index 0da5afe0..2578f36a 100644
--- a/modules/canalplus/backend.py
+++ b/modules/canalplus/backend.py
@@ -48,7 +48,7 @@ class CanalplusBackend(BaseBackend, ICapVideo, ICapCollection):
     def create_default_browser(self):
         return self.create_browser(quality=self.config['quality'].get())
 
-    def search_videos(self, pattern=None, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, max_results=None):
+    def search_videos(self, pattern, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, max_results=None):
         with self.browser:
             return self.browser.search_videos(pattern)
 
diff --git a/modules/cappedtv/backend.py b/modules/cappedtv/backend.py
index a34c52c9..8a1efb3b 100644
--- a/modules/cappedtv/backend.py
+++ b/modules/cappedtv/backend.py
@@ -10,7 +10,8 @@
 
 from __future__ import with_statement
 
-from weboob.capabilities.video import ICapVideo
+from weboob.capabilities.video import ICapVideo, BaseVideo
+from weboob.capabilities.collection import ICapCollection, CollectionNotFound
 from weboob.tools.backend import BaseBackend
 from .browser import CappedBrowser, CappedVideo
 
@@ -18,7 +19,7 @@ from .browser import CappedBrowser, CappedVideo
 __all__ = ['CappedBackend']
 
 
-class CappedBackend(BaseBackend, ICapVideo):
+class CappedBackend(BaseBackend, ICapVideo, ICapCollection):
     NAME = 'cappedtv'
     MAINTAINER = 'Lord'
     EMAIL = 'lord@lordtoniok.com'
@@ -31,7 +32,7 @@ class CappedBackend(BaseBackend, ICapVideo):
         with self.browser:
             return self.browser.get_video(_id)
 
-    def search_videos(self, pattern=None, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=None, max_results=None):
+    def search_videos(self, pattern, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=None, max_results=None):
         with self.browser:
             return self.browser.search_videos(pattern)
 
@@ -45,4 +46,21 @@ class CappedBackend(BaseBackend, ICapVideo):
 
         return video
 
+    def iter_resources(self, objs, split_path):
+        if BaseVideo in objs:
+            collection = self.get_collection(objs, split_path)
+            if collection.path_level == 0:
+                yield self.get_collection(objs, [u'latest'])
+            if collection.split_path == [u'latest']:
+                for video in self.browser.latest_videos():
+                    yield video
+
+    def validate_collection(self, objs, collection):
+        if collection.path_level == 0:
+            return
+        if BaseVideo in objs and collection.split_path == [u'latest']:
+            collection.title = u'Latest CappedTV videos'
+            return
+        raise CollectionNotFound(collection.split_path)
+
     OBJECTS = {CappedVideo: fill_video}
diff --git a/modules/cappedtv/browser.py b/modules/cappedtv/browser.py
index bcd38cfa..6da8a597 100644
--- a/modules/cappedtv/browser.py
+++ b/modules/cappedtv/browser.py
@@ -67,7 +67,7 @@ class IndexPage(BasePage):
                 seconds = parts[0]
             elif len(parts) == 2:
                 hours = 0
-                minutes , seconds = parts
+                minutes, seconds = parts
             elif len(parts) == 3:
                 hours, minutes, seconds = parts
             else:
@@ -78,7 +78,6 @@ class IndexPage(BasePage):
             yield video
 
 
-
 # parser for the video page
 class VideoPage(BasePage):
     def get_video(self, video=None):
@@ -118,10 +117,12 @@ class CappedBrowser(BaseBrowser):
         assert self.is_on_page(VideoPage), 'Should be on video page.'
         return self.page.get_video(video)
 
-    def search_videos(self,pattern):
-        if not pattern:
-            self.home()
-        else:
-            self.location('/search?s=%s' % (urllib.quote_plus(pattern.encode('utf-8'))))
+    def search_videos(self, pattern):
+        self.location('/search?s=%s' % (urllib.quote_plus(pattern.encode('utf-8'))))
+        assert self.is_on_page(IndexPage)
+        return self.page.iter_videos()
+
+    def latest_videos(self):
+        self.home()
         assert self.is_on_page(IndexPage)
         return self.page.iter_videos()
diff --git a/modules/cappedtv/test.py b/modules/cappedtv/test.py
index 1278b60b..01d7334c 100644
--- a/modules/cappedtv/test.py
+++ b/modules/cappedtv/test.py
@@ -10,18 +10,23 @@
 
 
 from weboob.tools.test import BackendTest
-
-
-__all__ = ['CappedTest']
+from weboob.capabilities.video import BaseVideo
 
 
 class CappedTest(BackendTest):
     BACKEND = 'cappedtv'
 
-    def test_capped(self):
+    def test_search(self):
         l = list(self.backend.search_videos('kewlers'))
         self.assertTrue(len(l) > 0)
         v = l[0]
         self.backend.fillobj(v, ('url',))
         self.assertTrue(v.url and v.url.startswith('http://'), 'URL for video "%s" not found: %s' % (v.id, v.url))
         self.backend.browser.openurl(v.url)
+
+    def test_latest(self):
+        l = list(self.backend.iter_resources([BaseVideo], [u'latest']))
+        self.assertTrue(len(l) > 0)
+        v = l[0]
+        self.backend.fillobj(v, ('url',))
+        self.assertTrue(v.url and v.url.startswith('http://'), 'URL for video "%s" not found: %s' % (v.id, v.url))
diff --git a/modules/dailymotion/backend.py b/modules/dailymotion/backend.py
index 4421cf24..616b5a91 100644
--- a/modules/dailymotion/backend.py
+++ b/modules/dailymotion/backend.py
@@ -20,7 +20,8 @@
 
 from __future__ import with_statement
 
-from weboob.capabilities.video import ICapVideo
+from weboob.capabilities.video import ICapVideo, BaseVideo
+from weboob.capabilities.collection import ICapCollection, CollectionNotFound
 from weboob.tools.backend import BaseBackend
 
 from .browser import DailymotionBrowser
@@ -30,7 +31,7 @@ from .video import DailymotionVideo
 __all__ = ['DailymotionBackend']
 
 
-class DailymotionBackend(BaseBackend, ICapVideo):
+class DailymotionBackend(BaseBackend, ICapVideo, ICapCollection):
     NAME = 'dailymotion'
     MAINTAINER = 'Romain Bignon'
     EMAIL = 'romain@weboob.org'
@@ -44,7 +45,7 @@ class DailymotionBackend(BaseBackend, ICapVideo):
             return self.browser.get_video(_id)
 
     SORTBY = ['relevance', 'rated', 'visited', None]
-    def search_videos(self, pattern=None, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, max_results=None):
+    def search_videos(self, pattern, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, max_results=None):
         with self.browser:
             return self.browser.search_videos(pattern, self.SORTBY[sortby])
 
@@ -59,4 +60,21 @@ class DailymotionBackend(BaseBackend, ICapVideo):
 
         return video
 
+    def iter_resources(self, objs, split_path):
+        if BaseVideo in objs:
+            collection = self.get_collection(objs, split_path)
+            if collection.path_level == 0:
+                yield self.get_collection(objs, [u'latest'])
+            if collection.split_path == [u'latest']:
+                for video in self.browser.latest_videos():
+                    yield video
+
+    def validate_collection(self, objs, collection):
+        if collection.path_level == 0:
+            return
+        if BaseVideo in objs and collection.split_path == [u'latest']:
+            collection.title = u'Latest Dailymotion videos'
+            return
+        raise CollectionNotFound(collection.split_path)
+
     OBJECTS = {DailymotionVideo: fill_video}
diff --git a/modules/dailymotion/browser.py b/modules/dailymotion/browser.py
index d4121a76..0674ba36 100644
--- a/modules/dailymotion/browser.py
+++ b/modules/dailymotion/browser.py
@@ -47,15 +47,18 @@ class DailymotionBrowser(BaseBrowser):
         self.location('/1')
 
     def search_videos(self, pattern, sortby):
-        if not pattern:
-            self.home()
+        pattern = pattern.replace('/', '').encode('utf-8')
+        if sortby is None:
+            url = '/search/%s/1' % quote_plus(pattern)
         else:
-            pattern = pattern.replace('/', '').encode('utf-8')
-            if sortby is None:
-                url = '/search/%s/1' % quote_plus(pattern)
-            else:
-                url = '/%s/search/%s/1' % (sortby, quote_plus(pattern))
-            self.location(url)
+            url = '/%s/search/%s/1' % (sortby, quote_plus(pattern))
+        self.location(url)
+
+        assert self.is_on_page(IndexPage)
+        return self.page.iter_videos()
+
+    def latest_videos(self):
+        self.home()
 
         assert self.is_on_page(IndexPage)
         return self.page.iter_videos()
diff --git a/modules/dailymotion/test.py b/modules/dailymotion/test.py
index af7a9f16..e069267f 100644
--- a/modules/dailymotion/test.py
+++ b/modules/dailymotion/test.py
@@ -19,14 +19,23 @@
 
 
 from weboob.tools.test import BackendTest
+from weboob.capabilities.video import BaseVideo
+
 
 class DailymotionTest(BackendTest):
     BACKEND = 'dailymotion'
 
-    def test_dailymotion(self):
+    def test_search(self):
         l = list(self.backend.search_videos('chirac'))
         self.assertTrue(len(l) > 0)
         v = l[0]
         self.backend.fillobj(v, ('url',))
         self.assertTrue(v.url and v.url.startswith('http://'), 'URL for video "%s" not found: %s' % (v.id, v.url))
         self.backend.browser.openurl(v.url)
+
+    def test_latest(self):
+        l = list(self.backend.iter_resources([BaseVideo], [u'latest']))
+        assert len(l)
+        v = l[0]
+        self.backend.fillobj(v, ('url',))
+        self.assertTrue(v.url and v.url.startswith('http://'), 'URL for video "%s" not found: %s' % (v.id, v.url))
diff --git a/modules/ehentai/backend.py b/modules/ehentai/backend.py
index 0d9daaa7..40adb45d 100644
--- a/modules/ehentai/backend.py
+++ b/modules/ehentai/backend.py
@@ -20,7 +20,8 @@
 from __future__ import with_statement
 
 import re
-from weboob.capabilities.gallery import ICapGallery
+from weboob.capabilities.gallery import ICapGallery, BaseGallery
+from weboob.capabilities.collection import ICapCollection, CollectionNotFound
 from weboob.tools.backend import BaseBackend, BackendConfig
 from weboob.tools.misc import ratelimit
 from weboob.tools.value import Value, ValueBackendPassword
@@ -32,7 +33,7 @@ from .gallery import EHentaiGallery, EHentaiImage
 __all__ = ['EHentaiBackend']
 
 
-class EHentaiBackend(BaseBackend, ICapGallery):
+class EHentaiBackend(BaseBackend, ICapGallery, ICapCollection):
     NAME = 'ehentai'
     MAINTAINER = 'Roger Philibert'
     EMAIL = 'roger.philibert@gmail.com'
@@ -53,7 +54,7 @@ class EHentaiBackend(BaseBackend, ICapGallery):
             password = None
         return self.create_browser(self.config['domain'].get(), username, password)
 
-    def search_gallery(self, pattern=None, sortby=None, max_results=None):
+    def search_gallery(self, pattern, sortby=None, max_results=None):
         with self.browser:
             return self.browser.search_gallery(pattern)
 
@@ -94,6 +95,23 @@ class EHentaiBackend(BaseBackend, ICapGallery):
                 ratelimit("ehentai_get", 2)
                 image.data = self.browser.readurl(image.url)
 
+    def iter_resources(self, objs, split_path):
+        if BaseGallery in objs:
+            collection = self.get_collection(objs, split_path)
+            if collection.path_level == 0:
+                yield self.get_collection(objs, [u'latest_nsfw'])
+            if collection.split_path == [u'latest_nsfw']:
+                for gallery in self.browser.latest_gallery():
+                    yield gallery
+
+    def validate_collection(self, objs, collection):
+        if collection.path_level == 0:
+            return
+        if BaseGallery in objs and collection.split_path == [u'latest_nsfw']:
+            collection.title = u'Latest E-Hentai galleries (NSFW)'
+            return
+        raise CollectionNotFound(collection.split_path)
+
     OBJECTS = {
             EHentaiGallery: fill_gallery,
             EHentaiImage: fill_image}
diff --git a/modules/ehentai/browser.py b/modules/ehentai/browser.py
index c799a8fe..d8b5e6e5 100644
--- a/modules/ehentai/browser.py
+++ b/modules/ehentai/browser.py
@@ -56,6 +56,11 @@ class EHentaiBrowser(BaseBrowser):
         assert self.is_on_page(IndexPage)
         return self.page.iter_galleries()
 
+    def latest_gallery(self):
+        self.location('/')
+        assert self.is_on_page(IndexPage)
+        return self.page.iter_galleries()
+
     def iter_gallery_images(self, gallery):
         self.location(gallery.url)
         assert self.is_on_page(GalleryPage)
diff --git a/modules/ehentai/test.py b/modules/ehentai/test.py
index 9a78a66b..15979d4b 100644
--- a/modules/ehentai/test.py
+++ b/modules/ehentai/test.py
@@ -19,12 +19,13 @@
 
 
 from weboob.tools.test import BackendTest
+from weboob.capabilities.gallery import BaseGallery
 
 
 class EHentaiTest(BackendTest):
     BACKEND = 'ehentai'
 
-    def test_ehentai(self):
+    def test_search(self):
         l = list(self.backend.search_gallery('lol'))
         self.assertTrue(len(l) > 0)
         v = l[0]
@@ -36,3 +37,7 @@ class EHentaiTest(BackendTest):
         self.backend.fillobj(img, ('url',))
         self.assertTrue(v.url and v.url.startswith('http://'), 'URL for first image in gallery "%s" not found: %s' % (v.id, img.url))
         self.backend.browser.openurl(img.url)
+
+    def test_latest(self):
+        l = list(self.backend.iter_resources([BaseGallery], [u'latest_nsfw']))
+        assert len(l) > 0
diff --git a/modules/francetelevisions/backend.py b/modules/francetelevisions/backend.py
index da7e1d9b..b2f734b1 100644
--- a/modules/francetelevisions/backend.py
+++ b/modules/francetelevisions/backend.py
@@ -20,7 +20,8 @@
 
 from __future__ import with_statement
 
-from weboob.capabilities.video import ICapVideo
+from weboob.capabilities.video import ICapVideo, BaseVideo
+from weboob.capabilities.collection import ICapCollection, CollectionNotFound
 from weboob.tools.backend import BaseBackend
 
 from .browser import PluzzBrowser
@@ -30,7 +31,7 @@ from .video import PluzzVideo
 __all__ = ['PluzzBackend']
 
 
-class PluzzBackend(BaseBackend, ICapVideo):
+class PluzzBackend(BaseBackend, ICapVideo, ICapCollection):
     NAME = 'francetelevisions'
     MAINTAINER = 'Romain Bignon'
     EMAIL = 'romain@weboob.org'
@@ -43,7 +44,7 @@ class PluzzBackend(BaseBackend, ICapVideo):
         with self.browser:
             return self.browser.get_video(_id)
 
-    def search_videos(self, pattern=None, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, max_results=None):
+    def search_videos(self, pattern, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, max_results=None):
         with self.browser:
             return self.browser.search_videos(pattern)
 
@@ -58,4 +59,21 @@ class PluzzBackend(BaseBackend, ICapVideo):
 
         return video
 
+    def iter_resources(self, objs, split_path):
+        if BaseVideo in objs:
+            collection = self.get_collection(objs, split_path)
+            if collection.path_level == 0:
+                yield self.get_collection(objs, [u'latest'])
+            if collection.split_path == [u'latest']:
+                for video in self.browser.latest_videos():
+                    yield video
+
+    def validate_collection(self, objs, collection):
+        if collection.path_level == 0:
+            return
+        if BaseVideo in objs and collection.split_path == [u'latest']:
+            collection.title = u'Latest France Télévisions videos'
+            return
+        raise CollectionNotFound(collection.split_path)
+
     OBJECTS = {PluzzVideo: fill_video}
diff --git a/modules/francetelevisions/browser.py b/modules/francetelevisions/browser.py
index 0ca6c10d..1978c829 100644
--- a/modules/francetelevisions/browser.py
+++ b/modules/francetelevisions/browser.py
@@ -59,10 +59,13 @@ class PluzzBrowser(BaseBrowser):
         self.location('/replay/1')
 
     def search_videos(self, pattern):
-        if not pattern:
-            self.home()
-        else:
-            self.location(self.buildurl('/recherche.html', q=pattern.encode('utf-8')))
+        self.location(self.buildurl('/recherche.html', q=pattern.encode('utf-8')))
+
+        assert self.is_on_page(IndexPage)
+        return self.page.iter_videos()
+
+    def latest_videos(self):
+        self.home()
 
         assert self.is_on_page(IndexPage)
         return self.page.iter_videos()
@@ -79,11 +82,11 @@ class PluzzBrowser(BaseBrowser):
 
         for vid in root.find('videos'):
             if vid.findtext('statut') == 'ONLINE' and vid.findtext('format') == 'wmv':
-                video.url =  vid.findtext('url')
+                video.url = vid.findtext('url')
 
         date = root.findtext('diffusions/diffusion')
         if date:
-            video.date =  datetime.datetime.strptime(date, '%d/%m/%Y %H:%M')
+            video.date = datetime.datetime.strptime(date, '%d/%m/%Y %H:%M')
 
         video.description = root.findtext('synopsis')
 
diff --git a/modules/francetelevisions/test.py b/modules/francetelevisions/test.py
index d0c1896d..0d7acd29 100644
--- a/modules/francetelevisions/test.py
+++ b/modules/francetelevisions/test.py
@@ -19,14 +19,22 @@
 
 
 from weboob.tools.test import BackendTest
+from weboob.capabilities.video import BaseVideo
 
 class PluzzTest(BackendTest):
     BACKEND = 'francetelevisions'
 
-    def test_francetelevisions(self):
+    def test_search(self):
         # If the test fails, it might be good news!
         l = list(self.backend.search_videos('Plus belle la vie'))
         self.assertTrue(len(l) > 0)
         v = l[0]
         self.backend.fillobj(v, ('url',))
         self.assertTrue(v.url and v.url.startswith('mms://'), 'URL for video "%s" not found: %s' % (v.id, v.url))
+
+    def test_latest(self):
+        l = list(self.backend.iter_resources([BaseVideo], [u'latest']))
+        assert len(l)
+        v = l[0]
+        self.backend.fillobj(v, ('url',))
+        assert v.url
diff --git a/modules/ina/backend.py b/modules/ina/backend.py
index 025d2c23..1f9a1d1b 100644
--- a/modules/ina/backend.py
+++ b/modules/ina/backend.py
@@ -42,7 +42,7 @@ class InaBackend(BaseBackend, ICapVideo):
     def get_video(self, _id):
         return self.browser.get_video(_id)
 
-    def search_videos(self, pattern=None, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, max_results=None):
+    def search_videos(self, pattern, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, max_results=None):
         with self.browser:
             return self.browser.search_videos(pattern)
 
diff --git a/modules/nolifetv/backend.py b/modules/nolifetv/backend.py
index 0ac0e967..ef17cf5e 100644
--- a/modules/nolifetv/backend.py
+++ b/modules/nolifetv/backend.py
@@ -20,7 +20,8 @@
 
 from __future__ import with_statement
 
-from weboob.capabilities.video import ICapVideo
+from weboob.capabilities.video import ICapVideo, BaseVideo
+from weboob.capabilities.collection import ICapCollection, CollectionNotFound
 from weboob.tools.value import Value, ValueBackendPassword
 from weboob.tools.backend import BaseBackend, BackendConfig
 
@@ -31,7 +32,7 @@ from .video import NolifeTVVideo
 __all__ = ['NolifeTVBackend']
 
 
-class NolifeTVBackend(BaseBackend, ICapVideo):
+class NolifeTVBackend(BaseBackend, ICapVideo, ICapCollection):
     NAME = 'nolifetv'
     MAINTAINER = 'Romain Bignon'
     EMAIL = 'romain@weboob.org'
@@ -55,7 +56,7 @@ class NolifeTVBackend(BaseBackend, ICapVideo):
             video = self.browser.get_video(_id)
         return video
 
-    def search_videos(self, pattern=None, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, max_results=None):
+    def search_videos(self, pattern, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, max_results=None):
         with self.browser:
             return self.browser.search_videos(pattern)
 
@@ -70,4 +71,21 @@ class NolifeTVBackend(BaseBackend, ICapVideo):
 
         return video
 
+    def iter_resources(self, objs, split_path):
+        if BaseVideo in objs:
+            collection = self.get_collection(objs, split_path)
+            if collection.path_level == 0:
+                yield self.get_collection(objs, [u'latest'])
+            if collection.split_path == [u'latest']:
+                for video in self.browser.latest_videos():
+                    yield video
+
+    def validate_collection(self, objs, collection):
+        if collection.path_level == 0:
+            return
+        if BaseVideo in objs and collection.split_path == [u'latest']:
+            collection.title = u'Latest NoLiveTV videos'
+            return
+        raise CollectionNotFound(collection.split_path)
+
     OBJECTS = {NolifeTVVideo: fill_video}
diff --git a/modules/nolifetv/browser.py b/modules/nolifetv/browser.py
index b8cb1006..827b8f91 100644
--- a/modules/nolifetv/browser.py
+++ b/modules/nolifetv/browser.py
@@ -70,9 +70,11 @@ class NolifeTVBrowser(BaseBrowser):
         return self.page.get_video(video)
 
     def search_videos(self, pattern):
-        if not pattern:
-            self.home()
-        else:
-            self.location('/index.php?', 'search=%s' % urllib.quote_plus(pattern.encode('utf-8')))
+        self.location('/index.php?', 'search=%s' % urllib.quote_plus(pattern.encode('utf-8')))
+        assert self.is_on_page(IndexPage)
+        return self.page.iter_videos()
+
+    def latest_videos(self):
+        self.home()
         assert self.is_on_page(IndexPage)
         return self.page.iter_videos()
diff --git a/modules/nolifetv/test.py b/modules/nolifetv/test.py
index 8443c834..452c4b0f 100644
--- a/modules/nolifetv/test.py
+++ b/modules/nolifetv/test.py
@@ -19,12 +19,15 @@
 
 
 from weboob.tools.test import BackendTest
+from weboob.capabilities.video import BaseVideo
+
 from .pages.video import ForbiddenVideo
 
+
 class NolifeTVTest(BackendTest):
     BACKEND = 'nolifetv'
 
-    def test_nolife(self):
+    def test_search(self):
         l = list(self.backend.search_videos('nolife'))
         self.assertTrue(len(l) > 0)
         for v in l:
@@ -35,3 +38,15 @@ class NolifeTVTest(BackendTest):
             else:
                 self.assertTrue(v.url and v.url.startswith('http://'), 'URL for video "%s" not found: %s' % (v.id, v.url))
                 break
+
+    def test_latest(self):
+        l = list(self.backend.iter_resources([BaseVideo], [u'latest']))
+        assert len(l) > 0
+        for v in l:
+            try:
+                self.backend.fillobj(v, ('url',))
+            except ForbiddenVideo:
+                continue
+            else:
+                self.assertTrue(v.url and v.url.startswith('http://'), 'URL for video "%s" not found: %s' % (v.id, v.url))
+                break
diff --git a/modules/youjizz/backend.py b/modules/youjizz/backend.py
index aefbafb5..48592131 100644
--- a/modules/youjizz/backend.py
+++ b/modules/youjizz/backend.py
@@ -20,7 +20,8 @@
 
 from __future__ import with_statement
 
-from weboob.capabilities.video import ICapVideo
+from weboob.capabilities.video import ICapVideo, BaseVideo
+from weboob.capabilities.collection import ICapCollection, CollectionNotFound
 from weboob.tools.backend import BaseBackend
 
 from .browser import YoujizzBrowser
@@ -30,7 +31,7 @@ from .video import YoujizzVideo
 __all__ = ['YoujizzBackend']
 
 
-class YoujizzBackend(BaseBackend, ICapVideo):
+class YoujizzBackend(BaseBackend, ICapVideo, ICapCollection):
     NAME = 'youjizz'
     MAINTAINER = 'Roger Philibert'
     EMAIL = 'roger.philibert@gmail.com'
@@ -44,7 +45,7 @@ class YoujizzBackend(BaseBackend, ICapVideo):
             video = self.browser.get_video(_id)
         return video
 
-    def search_videos(self, pattern=None, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, max_results=None):
+    def search_videos(self, pattern, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, max_results=None):
         if not nsfw:
             return set()
         with self.browser:
@@ -61,4 +62,21 @@ class YoujizzBackend(BaseBackend, ICapVideo):
 
         return video
 
+    def iter_resources(self, objs, split_path):
+        if BaseVideo in objs:
+            collection = self.get_collection(objs, split_path)
+            if collection.path_level == 0:
+                yield self.get_collection(objs, [u'latest_nsfw'])
+            if collection.split_path == [u'latest_nsfw']:
+                for video in self.browser.latest_videos():
+                    yield video
+
+    def validate_collection(self, objs, collection):
+        if collection.path_level == 0:
+            return
+        if BaseVideo in objs and collection.split_path == [u'latest_nsfw']:
+            collection.title = u'Latest Youjizz videos (NSFW)'
+            return
+        raise CollectionNotFound(collection.split_path)
+
     OBJECTS = {YoujizzVideo: fill_video}
diff --git a/modules/youjizz/browser.py b/modules/youjizz/browser.py
index be78630a..cb6ce374 100644
--- a/modules/youjizz/browser.py
+++ b/modules/youjizz/browser.py
@@ -47,9 +47,11 @@ class YoujizzBrowser(BaseBrowser):
         return self.page.get_video(video)
 
     def search_videos(self, pattern):
-        if not pattern:
-            self.home()
-        else:
-            self.location('/search/%s-1.html' % (urllib.quote_plus(pattern.encode('utf-8'))))
+        self.location('/search/%s-1.html' % (urllib.quote_plus(pattern.encode('utf-8'))))
+        assert self.is_on_page(IndexPage)
+        return self.page.iter_videos()
+
+    def latest_videos(self):
+        self.home()
         assert self.is_on_page(IndexPage)
         return self.page.iter_videos()
diff --git a/modules/youjizz/test.py b/modules/youjizz/test.py
index 5a6de6b8..a2a75848 100644
--- a/modules/youjizz/test.py
+++ b/modules/youjizz/test.py
@@ -19,17 +19,25 @@
 
 
 from weboob.tools.test import BackendTest
+from weboob.capabilities.video import BaseVideo
 
 
 class YoujizzTest(BackendTest):
     BACKEND = 'youjizz'
 
-    def test_youjizz(self):
+    def test_search(self):
         self.assertTrue(len(self.backend.search_videos('anus', nsfw=False)) == 0)
 
-        l = list(self.backend.search_videos('sex', nsfw=True))
+        l = list(self.backend.search_videos('anus', nsfw=True))
         self.assertTrue(len(l) > 0)
         v = l[0]
         self.backend.fillobj(v, ('url',))
         self.assertTrue(v.url and v.url.startswith('http://'), 'URL for video "%s" not found: %s' % (v.id, v.url))
         self.backend.browser.openurl(v.url)
+
+    def test_latest(self):
+        l = list(self.backend.iter_resources([BaseVideo], [u'latest_nsfw']))
+        self.assertTrue(len(l) > 0)
+        v = l[0]
+        self.backend.fillobj(v, ('url',))
+        self.assertTrue(v.url and v.url.startswith('http://'), 'URL for video "%s" not found: %s' % (v.id, v.url))
diff --git a/modules/youporn/backend.py b/modules/youporn/backend.py
index cc6a24f0..93ef1877 100644
--- a/modules/youporn/backend.py
+++ b/modules/youporn/backend.py
@@ -20,8 +20,9 @@
 
 from __future__ import with_statement
 
-from weboob.capabilities.video import ICapVideo
+from weboob.capabilities.video import ICapVideo, BaseVideo
 from weboob.tools.backend import BaseBackend
+from weboob.capabilities.collection import ICapCollection, CollectionNotFound
 
 from .browser import YoupornBrowser
 from .video import YoupornVideo
@@ -30,7 +31,7 @@ from .video import YoupornVideo
 __all__ = ['YoupornBackend']
 
 
-class YoupornBackend(BaseBackend, ICapVideo):
+class YoupornBackend(BaseBackend, ICapVideo, ICapCollection):
     NAME = 'youporn'
     MAINTAINER = 'Romain Bignon'
     EMAIL = 'romain@weboob.org'
@@ -45,7 +46,7 @@ class YoupornBackend(BaseBackend, ICapVideo):
 
     SORTBY = ['relevance', 'rating', 'views', 'time']
 
-    def search_videos(self, pattern=None, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, max_results=None):
+    def search_videos(self, pattern, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, max_results=None):
         if not nsfw:
             return set()
         with self.browser:
@@ -62,4 +63,21 @@ class YoupornBackend(BaseBackend, ICapVideo):
 
         return video
 
+    def iter_resources(self, objs, split_path):
+        if BaseVideo in objs:
+            collection = self.get_collection(objs, split_path)
+            if collection.path_level == 0:
+                yield self.get_collection(objs, [u'latest_nsfw'])
+            if collection.split_path == [u'latest_nsfw']:
+                for video in self.browser.latest_videos():
+                    yield video
+
+    def validate_collection(self, objs, collection):
+        if collection.path_level == 0:
+            return
+        if BaseVideo in objs and collection.split_path == [u'latest_nsfw']:
+            collection.title = u'Latest YouPorn videos (NSFW)'
+            return
+        raise CollectionNotFound(collection.split_path)
+
     OBJECTS = {YoupornVideo: fill_video}
diff --git a/modules/youporn/browser.py b/modules/youporn/browser.py
index 70a151ab..68630d19 100644
--- a/modules/youporn/browser.py
+++ b/modules/youporn/browser.py
@@ -44,9 +44,11 @@ class YoupornBrowser(BaseBrowser):
         return self.page.get_video(video)
 
     def search_videos(self, pattern, sortby):
-        if not pattern:
-            self.home()
-        else:
-            self.location(self.buildurl('/search/%s' % sortby, query=pattern.encode('utf-8')))
+        self.location(self.buildurl('/search/%s' % sortby, query=pattern.encode('utf-8')))
+        assert self.is_on_page(IndexPage)
+        return self.page.iter_videos()
+
+    def latest_videos(self):
+        self.home()
         assert self.is_on_page(IndexPage)
         return self.page.iter_videos()
diff --git a/modules/youporn/test.py b/modules/youporn/test.py
index f1de56d3..e3f1bb90 100644
--- a/modules/youporn/test.py
+++ b/modules/youporn/test.py
@@ -19,12 +19,14 @@
 
 
 from weboob.tools.test import BackendTest
+from weboob.capabilities.video import BaseVideo
+
 
 class YoupornTest(BackendTest):
     BACKEND = 'youporn'
 
-    def test_youporn(self):
-        self.assertTrue(len(self.backend.search_videos('penis', nsfw=False)) == 0)
+    def test_search(self):
+        self.assertTrue(len(self.backend.search_videos('ass to mouth', nsfw=False)) == 0)
 
         l = list(self.backend.search_videos('ass to mouth', nsfw=True))
         self.assertTrue(len(l) > 0)
@@ -32,3 +34,10 @@ class YoupornTest(BackendTest):
         self.backend.fillobj(v, ('url',))
         self.assertTrue(v.url and v.url.startswith('http://'), 'URL for video "%s" not found: %s' % (v.id, v.url))
         self.backend.browser.openurl(v.url)
+
+    def test_latest(self):
+        l = list(self.backend.iter_resources([BaseVideo], [u'latest_nsfw']))
+        self.assertTrue(len(l) > 0)
+        v = l[0]
+        self.backend.fillobj(v, ('url',))
+        self.assertTrue(v.url and v.url.startswith('http://'), 'URL for video "%s" not found: %s' % (v.id, v.url))
diff --git a/modules/youtube/backend.py b/modules/youtube/backend.py
index 8d3ed4a1..18961c45 100644
--- a/modules/youtube/backend.py
+++ b/modules/youtube/backend.py
@@ -26,7 +26,8 @@ import re
 import urllib
 
 from weboob.capabilities.base import NotAvailable
-from weboob.capabilities.video import ICapVideo
+from weboob.capabilities.video import ICapVideo, BaseVideo
+from weboob.capabilities.collection import ICapCollection, CollectionNotFound
 from weboob.tools.capabilities.thumbnail import Thumbnail
 from weboob.tools.backend import BaseBackend, BackendConfig
 from weboob.tools.misc import to_unicode
@@ -39,7 +40,7 @@ from .video import YoutubeVideo
 __all__ = ['YoutubeBackend']
 
 
-class YoutubeBackend(BaseBackend, ICapVideo):
+class YoutubeBackend(BaseBackend, ICapVideo, ICapCollection):
     NAME = 'youtube'
     MAINTAINER = 'Christophe Benz'
     EMAIL = 'christophe.benz@gmail.com'
@@ -110,7 +111,7 @@ class YoutubeBackend(BaseBackend, ICapVideo):
         video.set_empty_fields(NotAvailable)
         return video
 
-    def search_videos(self, pattern=None, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, max_results=None):
+    def search_videos(self, pattern, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, max_results=None):
         YOUTUBE_MAX_RESULTS = 50
         YOUTUBE_MAX_START_INDEX = 1000
         yt_service = gdata.youtube.service.YouTubeService()
@@ -144,6 +145,9 @@ class YoutubeBackend(BaseBackend, ICapVideo):
                 if nb_yielded == max_results:
                     return
 
+    def latest_videos(self):
+        return self.search_videos(None, ICapVideo.SEARCH_DATE)
+
     def fill_video(self, video, fields):
         if 'thumbnail' in fields:
             video.thumbnail.data = urllib.urlopen(video.thumbnail.url).read()
@@ -151,4 +155,21 @@ class YoutubeBackend(BaseBackend, ICapVideo):
             self._set_video_url(video)
         return video
 
+    def iter_resources(self, objs, split_path):
+        if BaseVideo in objs:
+            collection = self.get_collection(objs, split_path)
+            if collection.path_level == 0:
+                yield self.get_collection(objs, [u'latest'])
+            if collection.split_path == [u'latest']:
+                for video in self.latest_videos():
+                    yield video
+
+    def validate_collection(self, objs, collection):
+        if collection.path_level == 0:
+            return
+        if BaseVideo in objs and collection.split_path == [u'latest']:
+            collection.title = u'Latest YouTube videos'
+            return
+        raise CollectionNotFound(collection.split_path)
+
     OBJECTS = {YoutubeVideo: fill_video}
diff --git a/modules/youtube/test.py b/modules/youtube/test.py
index 6fb87037..d1373627 100644
--- a/modules/youtube/test.py
+++ b/modules/youtube/test.py
@@ -19,11 +19,13 @@
 
 
 from weboob.tools.test import BackendTest
+from weboob.capabilities.video import BaseVideo
+
 
 class YoutubeTest(BackendTest):
     BACKEND = 'youtube'
 
-    def test_youtube(self):
+    def test_search(self):
         l = list(self.backend.search_videos('lol'))
         self.assertTrue(len(l) > 0)
         v = l[0]
@@ -31,3 +33,7 @@ class YoutubeTest(BackendTest):
         self.assertTrue(v.url and v.url.startswith('http://'), 'URL for video "%s" not found: %s' % (v.id, v.url))
         assert self.backend.get_video(v.shorturl)
         self.backend.browser.openurl(v.url)
+
+    def test_latest(self):
+        l = list(self.backend.iter_resources([BaseVideo], [u'latest']))
+        assert len(l) > 0
diff --git a/weboob/applications/galleroob/galleroob.py b/weboob/applications/galleroob/galleroob.py
index 1e0b0c36..9e3ab32e 100644
--- a/weboob/applications/galleroob/galleroob.py
+++ b/weboob/applications/galleroob/galleroob.py
@@ -25,7 +25,7 @@ from re import search, sub
 
 from weboob.tools.application.repl import ReplApplication
 from weboob.capabilities.base import NotLoaded
-from weboob.capabilities.gallery import ICapGallery
+from weboob.capabilities.gallery import ICapGallery, BaseGallery, BaseImage
 from weboob.tools.application.formatters.iformatter import IFormatter
 
 
@@ -60,22 +60,23 @@ class Galleroob(ReplApplication):
     DESCRIPTION = 'galleroob browses and downloads web image galleries'
     CAPS = ICapGallery
     EXTRA_FORMATTERS = {'gallery_list': GalleryListFormatter}
-    COMMANDS_FORMATTERS = {'search': 'gallery_list'}
+    COMMANDS_FORMATTERS = {'search': 'gallery_list', 'ls': 'gallery_list'}
+    COLLECTION_OBJECTS = (BaseGallery, BaseImage, )
 
     def __init__(self, *args, **kwargs):
         ReplApplication.__init__(self, *args, **kwargs)
 
-    def do_search(self, pattern=None):
+    def do_search(self, pattern):
         """
         search PATTERN
 
         List galleries matching a PATTERN.
-
-        If PATTERN is not given, the command will list all the galleries
         """
+        if not pattern:
+            print >>sys.stderr, 'This command takes an argument: %s' % self.get_command_help('search', short=True)
+            return 2
 
-        self.set_formatter_header(u'Search pattern: %s' %
-            pattern if pattern else u'Latest galleries')
+        self.set_formatter_header(u'Search pattern: %s' % pattern)
         for backend, gallery in self.do('search_gallery',
                 pattern=pattern, max_results=self.options.count):
             self.add_object(gallery)
diff --git a/weboob/applications/videoob/videoob.py b/weboob/applications/videoob/videoob.py
index 4d6dd053..6e865a11 100644
--- a/weboob/applications/videoob/videoob.py
+++ b/weboob/applications/videoob/videoob.py
@@ -94,7 +94,7 @@ class Videoob(ReplApplication):
         _id, dest = self.parse_command_args(line, 2, 1)
         video = self.get_object(_id, 'get_video', ['url'])
         if not video:
-            print >>sys.stderr, 'Video not found: %s' %  _id
+            print >>sys.stderr, 'Video not found: %s' % _id
             return 3
 
         if not video.url:
@@ -109,7 +109,6 @@ class Videoob(ReplApplication):
                     return False
             return True
 
-
         if dest is None:
             ext = video.ext
             if not ext:
@@ -148,7 +147,7 @@ class Videoob(ReplApplication):
 
         video = self.get_object(_id, 'get_video', ['url'])
         if not video:
-            print >>sys.stderr, 'Video not found: %s' %  _id
+            print >>sys.stderr, 'Video not found: %s' % _id
             return 3
         if not video.url:
             print >>sys.stderr, 'Error: the direct URL is not available.'
@@ -179,7 +178,7 @@ class Videoob(ReplApplication):
 
         video = self.get_object(_id, 'get_video')
         if not video:
-            print >>sys.stderr, 'Video not found: %s' %  _id
+            print >>sys.stderr, 'Video not found: %s' % _id
             return 3
         self.format(video)
         self.flush()
@@ -207,22 +206,17 @@ class Videoob(ReplApplication):
         else:
             print "on" if self.nsfw else "off"
 
-    def do_search(self, pattern=None):
+    def do_search(self, pattern):
         """
-        search [PATTERN]
+        search PATTERN
 
         Search for videos matching a PATTERN.
-
-        If PATTERN is not given, this command will search for the latest videos.
         """
-        if len(self.enabled_backends) == 0:
-            if self.interactive:
-                print >>sys.stderr, 'No backend loaded. Please use the "backends" command.'
-            else:
-                print >>sys.stderr, 'No backend loaded.'
-            return 1
+        if not pattern:
+            print >>sys.stderr, 'This command takes an argument: %s' % self.get_command_help('search', short=True)
+            return 2
 
-        self.set_formatter_header(u'Search pattern: %s' % pattern if pattern else u'Latest videos')
+        self.set_formatter_header(u'Search pattern: %s' % pattern)
         self.change_path([u'search'])
         for backend, video in self.do('search_videos', pattern=pattern, nsfw=self.nsfw,
                                       max_results=self.options.count):
diff --git a/weboob/capabilities/gallery.py b/weboob/capabilities/gallery.py
index afe3f652..1f3e50b0 100644
--- a/weboob/capabilities/gallery.py
+++ b/weboob/capabilities/gallery.py
@@ -39,8 +39,8 @@ class BaseGallery(CapBaseObject):
         self.add_field('description', basestring)
         self.add_field('cardinality', int)
         self.add_field('date', datetime, date)
-        self.add_field('rating', (int,long,float), rating)
-        self.add_field('rating_max', (int,long,float), rating_max)
+        self.add_field('rating', (int, long, float), rating)
+        self.add_field('rating_max', (int, long, float), rating_max)
         self.add_field('thumbnail', Thumbnail, thumbnail)
 
     @classmethod
@@ -55,13 +55,14 @@ class BaseGallery(CapBaseObject):
     def iter_image(self):
         raise NotImplementedError()
 
+
 class BaseImage(CapBaseObject):
     def __init__(self, _id, index=None, thumbnail=NotLoaded, url=NotLoaded,
             ext=NotLoaded, gallery=None):
 
         CapBaseObject.__init__(self, unicode(_id))
 
-        self.add_field('index', int, index) # usually page number
+        self.add_field('index', int, index)  # usually page number
         self.add_field('thumbnail', Thumbnail, thumbnail)
         self.add_field('url', basestring, url)
         self.add_field('ext', basestring, ext)
@@ -77,6 +78,7 @@ class BaseImage(CapBaseObject):
     def __iscomplete__(self):
         return self.data is not NotLoaded
 
+
 class ICapGallery(IBaseCap):
     """
     This capability represents the ability for a website backend to provide videos.
@@ -86,10 +88,9 @@ class ICapGallery(IBaseCap):
      SEARCH_VIEWS,
      SEARCH_DATE) = range(4)
 
-    def search_gallery(self, pattern=None, sortby=SEARCH_RELEVANCE, max_results=None):
+    def search_gallery(self, pattern, sortby=SEARCH_RELEVANCE, max_results=None):
         """
-        Iter results of a search on a pattern. Note that if pattern is None,
-        it get the latest videos.
+        Iter results of a search on a pattern.
 
         @param pattern  [str] pattern to search on
         @param sortby  [enum] sort by...
diff --git a/weboob/capabilities/video.py b/weboob/capabilities/video.py
index fb77d986..6359b8ea 100644
--- a/weboob/capabilities/video.py
+++ b/weboob/capabilities/video.py
@@ -66,10 +66,9 @@ class ICapVideo(IBaseCap):
      SEARCH_VIEWS,
      SEARCH_DATE) = range(4)
 
-    def search_videos(self, pattern=None, sortby=SEARCH_RELEVANCE, nsfw=False, max_results=None):
+    def search_videos(self, pattern, sortby=SEARCH_RELEVANCE, nsfw=False, max_results=None):
         """
-        Iter results of a search on a pattern. Note that if pattern is None,
-        it get the latest videos.
+        Iter results of a search on a pattern.
 
         @param pattern  [str] pattern to search on
         @param sortby  [enum] sort by...