I've found this video/MP3 playing cartridge for $30, and it comes with a 128MB SD card. There are 2GB swappable cards that cost around $20, and other 2GB video/audio players can run over $100
Homebrewed games can be made to play on this, so it's possible to treat it like a flash cart...
More pic: http://us.codejunkies.com/images/article_images/images/GamesNMusicBoxforweb.jpg
Homebrewed games can be made to play on this, so it's possible to treat it like a flash cart...
What do you think of Games n' Music?pic of the movie interface
More pic: http://us.codejunkies.com/images/article_images/images/GamesNMusicBoxforweb.jpg