Thanks for replying to this a while back- I'd not got to look at the thread til now. Yes, the Rom was clean, in the sense that I had done a few maps and replaced tiles and stuff. But that "stuff" was probably the problem, as I tested a clean, untouched Emerald Rom, and it worked perfectly fine. So i'm going to have to start again, but I guess I.. Yeah.:D thanks for trying, mate.