thumbnail = self._proto_relative_url(
             self._og_search_thumbnail(webpage), scheme='http:')
 
         uploader = self._html_search_regex(
             r"adduserUsername\s*=\s*'([^']+)';",
         thumbnail = self._proto_relative_url(
             self._og_search_thumbnail(webpage), scheme='http:')
 
         uploader = self._html_search_regex(
             r"adduserUsername\s*=\s*'([^']+)';",