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