If you can hear the program's audio but you see no picture...

... you are missing a required element of your Quicktime Player, the Sorenson3 video CODEC. The best way around this is to update your Quicktime Player to the latest version.

Click here to visit the Apple Quicktime website to dowload the latest player.

~OR~

Click here to return to the movie you were trying to watch. You can select a different player (e.g.: Windows Media Player) and try your luck that way.