Here is a video of the upcoming Wii Homebrew channel!
More Information about running homebrew on your Wii can be found HERE
Homebrew is an application or game made by someone on the internet for you to download and use on your console legally and free of charge. The new zelda save exploid allows you to do so with out the use of a modchip or any other kind of hardware modification. Also if your wondering you can not run wii backups with this exploit.