More Fun With Gimp

For those who didn't know, I went on a road trip in California last December. We took many pictures which I still mean to post (this doesn't count!!), so here's one I was just working on (ps my picture to the right on the home page was taken in Death Valley as part of this trip):

The problem was that my friend accidentally covered part of it. This was disappointing because it was the best version available, so here's the procedure I used to fix it.
(click the picture or keep reading to see the fixed version)