Xilisoft iPod Video Converter
There are plenty of videos in the world. Few of them can play on your iPod. That's because they first need to be converted to an iPod-friendly format. Enter Xilisoft iPod Video Converter.
It does a great job of converting just about any file format you can name to a format that can be viewed on your iPod, including AVI, MPEG, WMV, MOV, RM, RMVB, DivX, ASF, VOB, and 3GP. It can also convert audio files to iPod-friendly formats as well, including these: WAV, WMA, MP2, AC3, RA, OGG, CDA, APE to iPod MP3, M4A, AAC.
As a nice plus, it supports the latest iPod specs of MPEG-4 video at 640 by 480 resolution. The program does more as well, including ripping CDs. It's shareware, and costs $29 to register.