In GIMP?
Start a new image (128X128)
Go Layer > Transparency > Add Alpha Channel
Go to the channels in the layers, channels, paths, ect window, notice the alpha channel
Go to channels, in the main window erase everything
Now the erased potion is transparent
Do your desired art on top of it
Last edited by ImpalemenT; Apr 4, 2009 at 03:06 AM.