Narin, I found a code for Kirby: Canvas Curse (U) for you. I know it's an old game, but I figured I'd point it out to you. It's originally from Codejunkies.com, but was taken down a couple years ago. I found it again on GSCentral.com
Medals 999 (In Swap Store): 120DA390 000003E7 120DA394 000003E7