Pass all params to libravatar

trans/util.py

@@ -55,10 +55,16 @@ def avatar_for_email(email, size=80):
     Generates url for avatar.
     '''
 
-    # Use libravatar library if available
     if HAS_LIBRAVATAR:
-        return escape(libravatar.libravatar_url(email=email, https=True))
+        # Use libravatar library if available
+        url = libravatar.libravatar_url(
+            email=email,
+            https=True,
+            default=AVATAR_DEFAULT_IMAGE,
+            size=size
+        )
 
+    else:
         # Fallback to standard method
         mail_hash = hashlib.md5(email.lower()).hexdigest()