"This tutorial demonstrates how to convert VOB files ripped from a DVD to a WMV format usable on both Pocket PC and Portable Media Center devices. After trying several out of the box solutions (most notably DVDtoPocketPC, which may or may not be deemed illegal at some point), I came up with a formula that produces smoother motion at reasonable file sizes, using a custom Windows Media Encoder profile and some open source tools..."Jake Ludington has put together an excellent article on how to take files ripped from a DVD (how you do that is your business) and convert them to a Windows Mobile-friendly WMV format - check it out!