> I downloaded the MEGAce3 and I get nothing but black screen's when I try to run
> games. I'm new at this and need remedial instructions. What should I download?
> How do I get games and get them to run? Be gentle please.
>

Download MAME32 0.57 for the PC - if the roms work on this then they will probably work on your PPC. I had this problem and it was due to out of date roms. The name of the roms inside the .zip file have changes between mame versions.