The first homemade software to take advantage of new hacker add-ons for the Xbox has started to dribble onto the Internet, including a media player that purportedly runs DivX video files. Programmers posting on the XboxHacker Web site said they have completed an initial version of "Xbox Media Player." The software allows modified Xbox consoles to play videos in the VCD format, commonly used for bootleg movie discs, and versions 3.x and 4.x of DivX, a controversial compression format used to swap videos over the Internet. Future versions of the application will include support for MP3 and Windows Media Audio files, according to the developers
http://www.siliconice.net/XBOX/index.shtml
LOL these guys will hack anything.............