VLC Media Player 0.8.6b - Play DVD/VCD/MPEG/DivX and more, browser plugin available. (Free): "
VLC Media Player 0.8.6b
VLC Media Player (initially VideoLAN Client) is a highly portable multimedia player for various audio and video formats (MPEG-1, MPEG-2, MPEG-4, DivX, mp3, ogg, etc.) as well as DVDs, VCDs, and various streaming protocols. It can also be used as a server to stream in unicast or multicast in IPv4 or IPv6 on a high-bandwidth network."