Jebus Christ, more errors after the other...
Anyways, I figured out the "too many lines" problem... But now the game freezes whenever I pick a stage. I know the problem lies with the Smash Stack custom stage file that is needed to load the boot.elf file and that by simply removing it from the SD card, the game will not freeze when picking a stage... However, this will prove to be too cumbersome and I was wondering if there's a way to play B+ normally without having to constantly ejecting the SD card, deleting the stage file, reinserting the SD card whenever we want to play?
EDIT: You know what, forget all of that for a sec. Can Smash Stack brick the wii or does it save any files onto the Wii's internal flash? Cause right now, I've tested this on my friend's wii once and it worked fine but then later one, when they were playing with regular brawl, it got messed up and now the wii won't turn on. Actually, it does turn on but only if you unplug it for an extended amount of time but you can only play for maybe 3 minutes tops.