Convert WMV, AVI, MPEG to MP4

To convert WMV and MPEG to MP4:

http://download.cnet.com/Free-Convert-MPEG-WMV-to-MP4-FLV-AVI-Converter/3000-2194_4-10909240.html

To Convert AVI to MP4:

http://download.cnet.com/AVI-to-MP4-Converter/3000-2194_4-10912245.html