Moovida, the free media player - play all your files - AVI, mp3, MKV, DivX, MOV, MP4
http://www.moovida.com/

Moovida is a free and open source media center that allows you to enjoy all of your music, video and pictures in an awsome interface. Moovida is an all-in-one media player that plays: AVI, mp3, MKV, DivX, MOV, MP4. It runs under windows and linux. Download for free!