How to convert video to other portable video players?
Video - Conversion - The Portable Freeware Collection
SuperSimple Video Converter Portable (Windows) - Download & Review
Video Converter for Portable Media Players
Amazon.com: DIGITNOW USB Cassette Player, Portable Walkman Stereo Tape to MP3 Converter, Audio Music Recorder to MP3 Digital File Converter with Earphones, No PC Required, Black, BR607 : Electronics