To fix this you must authorize Roku.
http://www.facebook.com/l.php?u=http%3A%2F%2Froku.com%2Fphotofeed&h=7694b
You will then have an issue where Roku cannot find your photo stream. To fix you must give it permissions again. Click the link below.
https://graph.facebook.com/oauth/authorize?client_id=111568578699&redirect_uri=http%3A%2F%2Fshop.roku.com&scope=read_stream%2Cfriends_photos%2Cuser_photos%2Cuser_photo_video_tags%2Cfriends_photo_video_tags