Riiper

Riiper is a Nintendo Wii disc ripper. It allows to to backup Wii games to your computer as an ISO file over a network connection. Riiper supports both Wii and GameCube games.
To use Riiper simply run the dol file on your Wii and copy down the IP address it gives you. Open up Riiper on your computer from the desktop or start menu and enter your IP address into the Settings dialog and click Save. This only needs to be done once as Riiper saves the IP. Insert the game into your Wii and adn select what type of disc it is, specify a location to save the file and click Riip!. Then click download and wait for the file to download!