Attached Link: http://doctor.3ivx.com

The AVI is probably encoded in divX . Follow the link and get DivX Doctor 2. Follow the instructions and make sure you get everything including the audio codec. There's also a Mac divX player at: http://www.divx.com it's an Alpha version.

Before they made me they broke the mold!
http://home.roadrunner.com/~kflach/