having googled what are compatible, i have unzipped some roms and the have weird extensions that aren't on the list. specifically i downloaded breath of fire 3 and got a .cue, .img, .sub and a .ccd now i know that i need the cue and img, but what about the other two?? also same with spiderman the videogame for mame, it has a bunch of .ic files with numbers. whats the easiest way to get the right file types you need for the pi?