Fri Jan 15, 2010 9:31 pm by Digital
isn't what you are asking to do illegal in all but one country in the world. I mean, legal backups are one thing, but you flat out said you don't own a copy anymore (selling it means you no longer own the rights to it).
All that aside, just pop it into the wii and "install" it to a usb drive. tut's abound here in that regards.