MPlayer CE is a fork of the Team Twiizers MPlayer Wii port.

Changes:

USB 2.0 support (see docs for info)
TTF font support (see docs for info)
Fixed bug in radio streaming.
DVD-Video bugs fixed (DVDs should play much more smoothly now)
Fixes in Libdi to detect chipped Wii
Codec fixes
Updated to latest MPlayer revision
Many small fixes

http://wiibrew.org/wiki/MPlayer_CE