After modding my Wii today, I installed WiiFlow and inserted a USB drive formatted to FAT32 in the left hand USB port.
I made sure to turn off "Mount SD Only", and changed the "Wii Partitions" to "SD/USB" inside of Game Partitions. I've refreshed the cache multiple times, and none of my games appear. If I go to Path Manager -> Wii Games, it shows my USB device as being entirely empty.
The games are all in .wbfs format and I put them onto the USB drive using Wii Backup Manager.
Any ideas?