Hi all,
just want to toot my own horn >:)
I've written a shell script that converts videos to X264/AAC wrapped in MP4. The resulting files you can put on your iPod (e.g. with amarok, gtkpod). I use it mostly to convert AVI files, but it can also help to rip DVDs etc. All the necessary info can be found in the script's comments.
I dare say the requirements are minimal. Only open source software is used. The quality is very good as it doesn't add black bars to the video and two encoding passes are used. Running it usually just involves calling the script itself with the files to be converted as arguments, so it's very easy to use.
The script can be downloaded from Doom9 forum.
Kind regards
mic