There's a good step by step for getting video onto ipods here [
www.apple.com]
If you still want to do it via compressor, it notes
"* By following the steps in this tutorial, QuickTime 7 Pro will automatically create an .m4v file containing H.264 video and AAC audio that is optimised for iPod. iPod can play the following video formats:
* H.264 video
File formats: .m4v, .mp4 and .mov
Video: Up to 768 Kbps, 320 x 240 pixels, 30 frames per second, Baseline Profile up to Level 1.3
Audio: AAC-LC up to 160 Kbps, 48 KHz, stereo audio
* MPEG-4 video
File formats: .m4v, .mp4 and .mov
Video: Up to 2.5 Mbps, 480 x 480 pixels, 30 frames per second, Simple Profile
Audio: AAC-LC up to 160 Kbps, 48 KHz, stereo audio
"
Post Edited (02-23-06 00:45)