I think a lot of it has to do the overall quality of the ROM file. I play super mario 64 on the same version, but with a gamecube controller and it seems to run fine, aside from bad music quality. paper mario wont even start for me though. i would just expirament, try different cpu settings, andtry booting thru biosby xEVAN92x - Homebrew Applications
I have WIISX+a mod that allows for better USB support (dont have an SD). I've been playing one of my favorite PS1 series, Tomba and Tomba 2. I have just had a lot of trouble with saves. Tomba will save within the game. i can hit load memcard under current iso, then load the game from the games main menu. Tomba 2 will not work this way, only saves via save state. If any one is familiar with tby xEVAN92x - Homebrew Applications