Hacking 2 ?s - EZFlash IV - Polarium GBA and Snes->GBA

[GatorDeb]

1. Polarium GBA gives me a white screen, patched or unpatched.
2. I tried 2 different SNES->GBA converters, and I get a white screen or an unplayable/frozen scrambled screen (Super Mario Picross).

I have an EZ-Flash IV MiniSD and a Gameboy Micro.

Thanks!