WiiMC (Wii Media Centre) is an open source media player for the Nintendo Wii. The GUI is powered by libwiigui.

Features:

* Attractive libwiigui-based interface, designed with the Wii in mind
* Picture viewer
* Music player
* On-line media support, including SHOUTcast, YouTube, and Navi-X
* FAT32/NTFS from SD and USB 2.0 (FAT32 recommended)
* Network playback via SMB, HTTP, and FTP
* Multi-language support: Chinese (Simplified and Traditional), Dutch, English, Estonian, French, German, Hungarian, Italian, Japanese, Korean, Polish, Portuguese (Brazilian), Romanian, Russian, Spanish

Changes:

* Synced to MPlayer r32341
* Fixed a crash that happened if your router was turned off
* Fixed “blank listing” issue for SMB
* Improved memory management, resulting in improved performance
* Improved USB compatibility and speed
* USB bug fixes
* NTFS bug fixes
* Fixed audio sync regression from 1.0.9
* Change YouTube default to 480p
* Fixed “vanishing pointer” issue when watching CPU-intensive videos
* Improved shuffle for music
* Channel updated (improved USB compatibility)
* Other miscellaneous bug fixes/improvements

http://wiibrew.org/wiki/WiiMC