Rules of Recoloring:
Right, so let's get our guinea pig, shall we? I believe this'll do...


It should now look like this...

Alternatively, you could have clicked on the Selection tool, right-clicked on the canvas (your blank picture) and chosen Paste. Or maybe you already did this. Either way, it doesn't matter.
Now we're going to make our little blonde... BLUE!
We could use a shade of blue that's already on the palette, but we're not going to. Those bright colors you see there usually look NASTY.

Now, pay close attention...
The darkest shade of blond should be replaced by your new color. Remember, the dark areas on her skin also use this color, so be careful to avoid those. You can make this easier, though - zoom in and press the minus key to make your eraser smaller. (Guess what the plus key does, wink wink.) When you're done, it should look something like this:

Okay, so what about the rest of it?
It should now look something like this:

That's it! You're done! Now, using the technique on this page, can you color her clothing, too?