Actually, if you have a camera with a sd, it would work.
TUTORIAL FOR SD LOADING
What You will need for this is a:
Camera
Normal Sd,(Or a Microsd with a Sd MicroSd loader)
Camera Usb cord
Gamesaves/Wiibrew
First, You Should Plug in your Camera and Load the Sd, Dload a game save, I would dload a Super Mario Galaxy
one, Then If you are confused. Copy Some wii data on your sd.
Then you would see a folder named "Private" Click on it, Then You'll see "Wii", If you have a App Folder, Put your Game saves folder in there.