can you run SNES roms on your ds?

just want to know if it can be done, I have an M3 card if that helps.

Yes you can. Download SNEmulDS here http://www.snemul.com/ds/, DLDI patch it if necessary, put ROMs into a folder called 'SNES' on the root of your memory stick and enjoy. Most roms run at good speed but with some serious glitches, just play around with the layer settings until you get it right.