Eff the homebrew channel.
You won't be able to update, therefore cooler new games you can't play online. I actually want to remove it.
Smashstack is way better. It won't brick your wii. (Technically, homebrew won't either, it's only if you give your wii menu new colors and stuff like that)
You download it to your sd card, remove all custom stages from your wii's memory. Also make sure you have Gecko OS on your sd card, (preferably newest version which I believe is 1.9) and then play it through your sd card. Once then you're REQUIRED to remove your sd card or your wii will freeze at stage selection.