diff -r 1c2c8e16bdbe -r a3b1046639f3 src/hdalab/views/profile.py
--- a/src/hdalab/views/profile.py	Thu Aug 21 13:01:38 2014 +0200
+++ b/src/hdalab/views/profile.py	Thu Aug 21 15:05:41 2014 +0200
@@ -164,7 +164,30 @@
                     related_tags.append({"label": t["label"], "thumbnail":thumbnail_url, "id":t["id"]})
                     all_labels.append(t["label"])
                     related_tags_dict[c["id"]].append(t["id"])
-        #return HttpResponse(json.dumps({"t":related_tags_label}, indent=2), content_type="application/json")
+        
+        
+        cat_dict = {u"Créateur": static("hdalab/img/category_creator.png"),
+                    u"Datation": static("hdalab/img/category_datation"),
+                    u"Discipline artistique": static("hdalab/img/category_discipline"),
+                    u"Localisation": static("hdalab/img/category_localisation"),
+                    u"Ecole/Mouvement": static("hdalab/img/category_movement")}
+        
+        
+        # If possible, we search a dbpedia_fields thumbnail or category thumbnail for related tags
+        r_tags = [t["label"] for t in related_tags if t["thumbnail"] is None or t["thumbnail"]=="" ]
+        r_tags = Tag.objects.filter( label__in=r_tags ).select_related("dbpedia_fields", "category")
+        r_tags_dict = {}
+        for t in r_tags:
+            img_url = t.dbpedia_fields.thumbnail if hasattr(t, 'dbpedia_fields') and t.dbpedia_fields and t.dbpedia_fields.thumbnail else None
+            if img_url is None and t.category is not None:
+                img_url = cat_dict[t.category.label]
+            if img_url:
+                r_tags_dict[t.label] = img_url
+        # Populate related_tags with found image urls
+        for t in related_tags:
+            if (t["thumbnail"] is None or t["thumbnail"]=="") and (t["label"] in r_tags_dict):
+                t["thumbnail"] = r_tags_dict[t["label"]]
+        
         
         # Prepare Node placer :
         np = LineNodePlacer()
@@ -172,17 +195,10 @@
         
         project_id = unicode(uuid.uuid1())
         
-        cat_dict = {u"Créateur":"category_creator",
-                    u"Datation":"category_datation",
-                    u"Discipline artistique":"category_discipline",
-                    u"Localisation": "category_localisation",
-                    u"Ecole/Mouvement":"category_movement"}
-        
         for t in all_tags:
-            logger.debug(t.category)
             img_url = t.dbpedia_fields.thumbnail if hasattr(t, 'dbpedia_fields') and t.dbpedia_fields and t.dbpedia_fields.thumbnail else None
             if img_url is None and t.category is not None:
-                img_url = static("hdalab/img/" + cat_dict[t.category.label] + ".png")
+                img_url = cat_dict[t.category.label]
             
             content["nodes"].append({
               "id": unicode(uuid.uuid1()),