Nope, and no future plans to support it.FAQ:
Q: Does Riivolution work with my backups or USB loaders?
A: No. And that's not a bug.
http://wiibrew.org/wiki/Riivolution
I wanted it to look pretty. Formatting is key, y'see.FAQ
Does Riivolution work with my backups or USB loaders?
No. And that's not a bug.
Source: http://wiibrew.org/wiki/Riivolution
Edit Ninja'd LOL
It's only a "backup" if you own the original...