diff --git a/modules/okc/backend.py b/modules/okc/backend.py
index c6f87703..ce0715b6 100644
--- a/modules/okc/backend.py
+++ b/modules/okc/backend.py
@@ -25,7 +25,6 @@ from html2text import unescape
 from dateutil import tz
 from dateutil.parser import parse as _parse_dt
 
-from weboob.capabilities.base import NotLoaded
 from weboob.capabilities.messages import ICapMessages, ICapMessagesPost, Message, Thread
 from weboob.capabilities.dating import ICapDating, OptimizationNotFound, Event
 from weboob.capabilities.contact import ICapContact, ContactPhoto, Contact, Query, QueryError
@@ -140,12 +139,17 @@ class OkCBackend(BaseBackend, ICapMessages, ICapContact, ICapMessagesPost, ICapD
             thread = id
             id = thread.id
 
+        if not thread and isinstance(id, basestring) and not id.isdigit():
+            for t in self.browser.get_threads_list():
+                if t['username'] == id:
+                    id = t['id']
+                    break
+            else:
+                return None
+
         if not thread:
             thread = Thread(int(id))
             thread.flags = Thread.IS_DISCUSSION
-            full = False
-        else:
-            full = True
 
         with self.browser:
             mails = self.browser.get_thread_mails(id, 100)
@@ -192,13 +196,8 @@ class OkCBackend(BaseBackend, ICapMessages, ICapContact, ICapMessagesPost, ICapD
 
             child = msg
 
-        if full and msg:
-            # If we have get all the messages, replace NotLoaded with None as
-            # parent.
+        if msg:
             msg.parent = None
-        if not full and not msg:
-            # Perhaps there are hidden messages
-            msg = NotLoaded
 
         thread.root = msg
 
@@ -353,7 +352,7 @@ class OkCBackend(BaseBackend, ICapMessages, ICapContact, ICapMessagesPost, ICapD
             threads = self.browser.get_threads_list(count=100)
 
         for thread in threads:
-            c = self._get_partial_contact(thread['member'])
+            c = self.get_contact(thread['username'])
             if c and (c.status & status) and (not ids or c.id in ids):
                 yield c
 
diff --git a/modules/okc/optim/profiles_walker.py b/modules/okc/optim/profiles_walker.py
index 21584a22..f9b77570 100644
--- a/modules/okc/optim/profiles_walker.py
+++ b/modules/okc/optim/profiles_walker.py
@@ -25,24 +25,34 @@ from random import randint
 from weboob.tools.browser import BrowserUnavailable
 from weboob.capabilities.dating import Optimization
 from weboob.tools.log import getLogger
+from weboob.tools.value import Value, ValuesDict
 
 
 __all__ = ['ProfilesWalker']
 
 
 class ProfilesWalker(Optimization):
+    CONFIG = ValuesDict(Value('first_message', label='First message to send to matched profiles', default=''))
+
     def __init__(self, sched, storage, browser):
         self.sched = sched
         self.storage = storage
         self.browser = browser
         self.logger = getLogger('walker', browser.logger)
 
+        self.config = storage.get('priority_connection', 'config', default=None)
+        if self.config == {}:
+            self.config = None
+
         self.view_cron = None
         self.visited_profiles = set(storage.get('profiles_walker', 'viewed'))
         self.logger.info(u'Loaded %d already visited profiles from storage.' % len(self.visited_profiles))
         self.profiles_queue = set()
 
     def save(self):
+        if self.config is None:
+            return False
+
         self.storage.set('profiles_walker', 'viewed', list(self.visited_profiles))
         self.storage.save()
 
@@ -58,6 +68,15 @@ class ProfilesWalker(Optimization):
     def is_running(self):
         return self.view_cron is not None
 
+    def set_config(self, params):
+        self.config = params
+        self.storage.set('priority_connection', 'config', self.config)
+        self.storage.save()
+
+    def get_config(self):
+        return self.config
+
+
     def view_profile(self):
         try:
             id = self.browser.find_match_profile()
@@ -69,7 +88,8 @@ class ProfilesWalker(Optimization):
                     # profile = self.browser.get_profile(id)
                     self.browser.do_rate(id)
                     self.browser.visit_profile(id)
-                    self.browser.post_mail(id, u"Sympa ton profil :)")
+                    if self.config['first_message'] != '':
+                        self.browser.post_mail(id, unicode(self.config['first_message']))
                 self.logger.info(u'Visited profile %s ' % (id))
 
                 # Get score from the aum_score module
diff --git a/modules/okc/pages.py b/modules/okc/pages.py
index e638008d..77360c7c 100644
--- a/modules/okc/pages.py
+++ b/modules/okc/pages.py
@@ -188,8 +188,8 @@ class PhotosPage(BasePage):
 class PostMessagePage(BasePage):
     def post_mail(self, id, content):
         self.browser.select_form(name='f2')
-        self.browser['r1'] = id
-        self.browser['body'] = content
+        self.browser['r1'] = id.encode('utf-8')
+        self.browser['body'] = content.encode('utf-8')
         self.browser.submit()
 
 class VisitsPage(BasePage):