Piracy

So I recently bought an old wii, specifically for the purpose of homebrewing. I'm able to understand so far as to what needs downloaded on the Wii and how to backup, but I can't find any sites with games. I noticed Vimms Lair wasn't an option anymore, and other sites I look through use ROMs for emulators. (Unless, those do work on the console). I think you need .wbfs files, and I'd really appreciate if I was pointed in the right direction