try using VLC player, it has all the codecs already incorporated in it.
http://www.videolan.org/vlc/I use it for everything nowdays, never let me down yet <img src="http://www.catsailor.com/forums/images/graemlins/cool.gif" alt="" />
btw. that is one very fast tack towards the end of the vid, almost looked like the skipper would be going overboard <img src="http://www.catsailor.com/forums/images/graemlins/grin.gif" alt="" />
nice vid keep them coming