Did you check the movie with Bitzi? Some movies can start out as great quality and then go downhill...
http://www.gnutellaforums.com/showth...threadid=37676
I would think that you would be able to hear the sound. Perhaps you don't have the correct codec for the audio? Try VLC Player (it's free), available through this link:
http://www.gnutellaforums.com/showth...threadid=40665
Good Luck
Dano