google moonshell 1.71 which is the ds/dsi version of windows media player, make 2 folders called movies and music, batchDPG you need to look up. Batch DPG and MoonShell 1.71, rip dvd to hard drive then use batchDPG to convert it to a DS format .DPG, put in Movies file and play through Moonshell. MP3 format plays fine on DS with roms cart BatchDPG 1.3 Beta 5 Recommended Settings For Moonshell 1.71 Fullscreen FPS: 20 Video bitrate: 386 Max bitrate: 512 Passes: 3 Profile: Ultra Resizer - Spline16 Width: 256 Height: 192 Audio bitrate: 128 Samplerate: 32768 Mode: Joint Stereo Normalize: On Widescreen FPS: 22 Video bitrate: 386 Max bitrate: 512 Passes: 3 Profile: Ultra Resizer - Spline16 Width: 256 Height: 144 Audio bitrate: 128 Samplerate: 32768 Mode: Joint Stereo Normalize: On turn the ds/ds lite/dsi into an I-pod http://dilldoe.org/NDS/index.php?name=Default&d=Default0iPod0Skin&c=lgadani&r=none