From Altdo Software:
Altdo Video to XBox Converter is a powerful multi-format conversion tool for MPG movie with high speed and without movie quality loss. It can convert *.3gp, *.avi, *.asf, *.mov, *.wmv, *.mp4, *.m4v, *.mpeg, *.mpg to MPG format. You can enjoy your favorite Movie on your XBox, it is faster than other XBox Converter software, and just a few clicks is enough. It is designed for anyone who wants to watch multi-format movies on the XBox. The interface is very vogue. Version 3.7 may include unspecified updates, enhancements, or bug fixes.