Use GBA forum such as
GBATemp for this kind of questions. (there is no rom downloads owerthere, and it can lead only to ban if you ask about such things)
I post there from time to time under the same nick (only I have 2 stars in the front and end of nick.
I've not open yet my GBA.
@lethe - GBA is Game Boy Advanced, which is much more powerfull then GB.