If you have a collection of DVDs and would like to encode them in a format for convenient access on your Pocket PC or other mobile device, SOMPY Encoder is free software that lets you do that. The site also has a free media player, which apparently uses the same open-source code as the award-winning TCPMP. (Not for WM5 yet)
Watch movies on all kinds of devices including Pocket PC, Palm, Smartphone, Portable Media Center. Have fun on the go. It’s so convenient to put your favorite movie, TV show in pocket and watch them anywhere, anytime. This software provides you a easy to use interface to convert video files(wmv, rm, rmvb, avi, mpeg, mpg, Tivo2Go, etc) or DVD(*.vob) into small size portable format(avi) playable on your device.
Just it with SOMPY MovieEncoder !!
Werner Ruotsalainen has written quite a good tutorial on converting AVI videos. He recommends the free VirtualDub as the â€œmost powerful and tweakable converter,â€ and his tutorial is based on this software.