@spybunny
I use SpriteRipper for that (this new program by fiendMM)
Download here: http://www.geocities.com/jazz2housegeo/SpriteRpper.ZIP
And look here: http://www.jazz2online.com/jcf/showthread.php?t=13086
http://www.jazz2online.com/jcf/showthread.php?t=13075
http://www.jazz2online.com/jcf/showthread.php?t=13035