I've got the invert video bug.... By the way viddler.com is a much better video hosting site. Youtube turns the quality of videos into crap. I have searched around and tested, viddler is very good.
Group of Harlequins
http://www.viddler.com/explore/planetinverts/videos/1/
Group of Harlequins
http://www.viddler.com/explore/planetinverts/videos/1/