WiiMC (Wii Media Centre) is an open source media player for the Nintendo Wii written mainly by Tantric and rodies.

WiiMC Wii Channel
Watch this video on YouTube.

Changes:

Synced to MPlayer r33269
Added Danish translation
Clicking on a browser file already loaded will now resume instead of reload
Faster loading of online streams
Fixed a bug with some MMS streams
Improved network initialization – now you can unplug/plug USB ethernet
Fixed a potential crash caused by the audio code
Improved memory management
Other minor optimizations and improvements

Thanks to http://www.nintendomax.com/viewtopic.php?t=13364&f=54 for the news.

http://www.wiimc.org/