This is the best workout video ever! – It gave me the best mouth workout .. Laughing 
http://web.archive.org/web/20070306150647/http:/media.filecabi.net/videos12/wrinkle-size.wmv
EDIT:
Even MORE of a workout!!
http://web.archive.org/web/20040321235621/http://www.ircuser.org/files/ACTIVE.wmv