You can forget mpeg or anything else that requires decompression on the fly. Uncompressed 1 bit 512x384 stills shouldn't take too much space - just store them as a sequence of ima…
leosadv,
Specifically which Mac OS are you trying to use this card under, Mac OSX 10.3 or Mac OS 9.2.2? If it's 9.2.2, you could try and see if the card is compatible with the Or…