I got it to work, for anyone who cares. My game used to freeze after the "Wii-strap thing."
Okay, so I copied the game with Wii Backup Manager. Then, I deleted that and used WBFS Manager 3.0 instead. Worked like a charm.
System Menu 3.2U
USB Loader GX r921
cIOS249 rev19
cIOS222 v4
no special...