diff --git a/jm2l/upload.py b/jm2l/upload.py
index c5a8dcd..360b82f 100644
--- a/jm2l/upload.py
+++ b/jm2l/upload.py
@@ -504,25 +504,26 @@ class MediaUpload(MediaPath):
             result['size'] = self.get_file_size(fieldStorage.file)
 
             if self.validate(result, fieldStorage.file):
+                local_filename = slugify( result['name'] )
                 # Keep mime-type in .type file
-                with open( self.mediapath( result['name'] ) + '.type', 'w') as f:
+                with open( self.mediapath( local_filename ) + '.type', 'w') as f:
                     f.write(result['type'])
                 
                 # Store uploaded file
                 fieldStorage.file.seek(0)
-                with open( self.mediapath(result['name'] ), 'wb') as f:
+                with open( self.mediapath( local_filename ), 'wb') as f:
                     shutil.copyfileobj( fieldStorage.file , f)
 
                 if re.match(IMAGE_TYPES, result['type']):
-                    result['thumbnailUrl'] = self.createthumbnail(result['name'])
+                    result['thumbnailUrl'] = self.createthumbnail(local_filename)
                 elif result['type']=='application/pdf':
-                    result['thumbnailUrl'] = self.pdfthumbnail(result['name'])
+                    result['thumbnailUrl'] = self.pdfthumbnail(local_filename)
                 elif result['type']=='image/svg+xml':
-                    result['thumbnailUrl'] = self.svgthumbnail(result['name'])
+                    result['thumbnailUrl'] = self.svgthumbnail(local_filename)
                 elif result['type'].startswith('application/vnd'):
-                    result['thumbnailUrl'] = self.docthumbnail(result['name'])
+                    result['thumbnailUrl'] = self.docthumbnail(local_filename)
                 elif result['type']=='application/x-blender':
-                    result['thumbnailUrl'] = self.blendthumbnail(result['name'])
+                    result['thumbnailUrl'] = self.blendthumbnail(local_filename)
                 else:
                     result['thumbnailUrl'] = self.ExtMimeIcon(result['type'])
 
@@ -531,11 +532,11 @@ class MediaUpload(MediaPath):
                             sep='',
                             name='',
                             media_table=self.media_table,
-                            uid=self.linked_id) + '/' + result['name']
+                            uid=self.linked_id) + '/' + local_filename
                 result['url'] = self.request.route_url('media_view',
                             media_table=self.media_table,
                             uid=self.linked_id,
-                            name=result['name'])
+                            name=local_filename)
                 if DELETEMETHOD != 'DELETE':
                     result['deleteUrl'] += '&_method=DELETE'
             results.append(result)
diff --git a/jm2l/views.py b/jm2l/views.py
index ece5a5e..1448798 100644
--- a/jm2l/views.py
+++ b/jm2l/views.py
@@ -88,6 +88,16 @@ def ICal_Progamme_Request(request):
             event.add('description', "http://www.linux-azur.org/event/%s/%s" % (ev.for_year, ev.slug)  )
             event.add('url', "http://www.linux-azur.org/event/%s/%s" % (ev.for_year, ev.slug) )
             event.add('priority', 5)
+            for interv in ev.intervenants:
+                event.add('organizer',
+                        interv.slug,
+                        parameters={
+                            "CN": "%s %s" % (interv.prenom, interv.nom),
+                            "DIR": "https://jm2l.linux-azur.org/user/%s" % interv.slug
+                        }
+                )
+            event.add('location', ev.Salle.name)
+            event.add('categories', ev.event_type)
             cal.add_component(event)
     request.response.content_type = "text/calendar"
     return cal.to_ical()
@@ -500,6 +510,9 @@ def expenses(request):
     dic_out = {}
     for name in glob.glob('jm2l/upload/images/users/*/RIB/*'):
         tab_path = name.split('/')
+        u = User.by_slug(tab_path[4])
+        if u is None:
+            continue
         if tab_path[6]=='thumbnails' or tab_path[6].endswith('.type'):
             continue
         if dic_out.get(tab_path[4]) is None:
@@ -526,6 +539,9 @@ def expenses(request):
 
     for name in glob.glob('jm2l/upload/images/users/*/Justif/*'):
         tab_path = name.split('/')
+        u = User.by_slug(tab_path[4])
+        if u is None:
+            continue
         if tab_path[6]=='thumbnails' or tab_path[6].endswith('.type'):
             continue
         if dic_out.get(tab_path[4]) is None:
@@ -774,7 +790,7 @@ def handle_salle_phy(request):
             try:
                 mp = MediaPath().move_mediapath('salle', orig_slug, dest_slug)
             except RuntimeError, err:
-                request.session.flash(('error', "Le nom de cette salle est déjà utilisé : " + err.message))
+                request.session.flash(('error', u"Le nom de cette salle est déjà utilisé : " + err.message))
                 return {'form': form}
         Salle.slug = slugify(Salle.name)