Uh, if you have no programming experience, I don't think a firmware hack would be a very easy task to start with, especially not one that's got several different sections that may or may not be encrypted with an unknown encryption.
Regardless, search the GBAdev forums a bit, as the firmware has been brought up there from time to time. You could also talk to Creebo, the creator of CreeboMe, and the creators of FWNitro to see if they could help you with your hack.
Bookmarks