How to make a custom minercaft wallpaper.

i know this is not the best wallpaper but alteast i tried... anywaYS MAKING THIS IS ACTUALLY PRETTY SIMPLE: OPEN gimp (not for windows havent tried it yet) search the skin you want in novaskin (or any other web novaskin is the best because you can pose you're char) print screen it and put it in GIMP how to do the other stuff? well its pretty complicated so im not gonna tell you XD you can search it tho.