Cracking ROMS help

Hey, whenever I try to crack mario+luigi or zelda spirit tracks to run on no$GBA zoomer it cracks fine, but when i go to run it an error occurs saying:
"Sorry, No$gba needs a copy of the original GBA BIOS (in a file named gba.rom or no$gba.rom) to execute BIOS sound functions."
What am I doing wrong? Can anyone shed some light?Thanks. :)

Google this."Gba bios+download"Not sure where to place it, but this will solve the issue at hand.I might attempt to upload mine...but it might be more than a week so try google first.