/wbfs/Super Mario Galaxy [RMGE01]/RMGE01.wbfs If the game is dual-layer (e.g., Super Smash Bros. Brawl), you may have a second file:
RMGE01.wbfs RMGE01.wbf1 Use Wii Backup Manager (Windows) or wit (command line) to convert ISO images to .wbfs files.
The Wii does not natively support loading games from USB or SD card. However, through homebrew and USB loaders , you can play backups of your legally owned discs. These loaders expect a specific folder and naming structure on your storage device.