From CravePain's Gimp Basics and More thread: Gimp Tutorial: Basics And More Getting Rid Of White Borders
1. Open up your Meez close-up or full body shot.
2. Select the
Fuzzy Select Tool.
Select the solid background around your Meez. Then hold down the Shift key on your keyboard while selecting the rest of the white within the arms, hair, clothes, and jewelry.
Now we have the background selected. Go to
Select - Invert to select your Meez.
Go to
Edit - Copy and copy your Meez image.
Select
File - New and create a new transparent canvas. You can get rid of the other one if you choose to.
When you are done, it will look something like this:
