Users with USB Loaders (software to play games from a hard drive) often create "Forwarder Channels." These are custom WADs installed on the System Menu. When clicked, they launch a specific homebrew application (like a USB Loader) rather than a disc.
The legal status of WAD repacking is complex and generally unfavorable toward distribution: wii wads repack
Repackers have released "VC-Repack" collections that inject better emulation cores (like Not64 or WiiMednafen) into the WAD wrapper, giving superior performance. Users with USB Loaders (software to play games
: Digital games from the now-defunct Wii Shop. wii wads repack