A few topics that might help you:
http://www.jazz2online.com/jcf/showthread.php?t=10166
http://www.jazz2online.com/jcf/showthread.php?t=9850
http://www.jazz2online.com/jcf/showthread.php?t=6211
http://www.jazz2online.com/jcf/showthread.php?t=4332
http://www.jazz2online.com/jcf/showthread.php?t=375

Conversion:
http://www.jazz2online.com/jcf/showthread.php?t=7918
http://www.jazz2online.com/jcf/showthread.php?t=7279
http://www.jazz2online.com/jcf/showthread.php?t=6934
http://www.jazz2online.com/jcf/showthread.php?t=6224
http://www.jazz2online.com/jcf/showthread.php?t=10970
http://www.jazz2online.com/jcf/showthread.php?t=10827
http://www.jazz2online.com/jcf/showthread.php?t=10615

Maybe Disguise should make a sticky thread containing info about conversion/modmaking.