Convert your video to the Nintendo DS DPG format
This online converter lets you easily convert your video files to the Nintendo DS DPG format. You can either upload your video from your computer or provide a URL to convert a file from the Internet. Just click on the "Convert file" button to start the conversion to the Nintendo DPG video file.
If the conversion with the DPG4 format does not work, please try again with the DPG3 format. You can find more information about the Nintendo DS here