The image in this theme comes from my backyard, on a particularly cloudy, pinky colored evening. I used the colors of the sky as the base for the rest of the theme and am quite pleased with the result. You can see it in action at my gaming/game-dev blog.
I did most of this theme myself, but I feel as though I should give code-sucks credit for giving me a base to start with. The have a nice collection of stripped down layouts there.
The Red Sky at Night theme for Mephisto is available for download.