I was recently using this theme which is based on a RSS of the images used on Bing worldwide.
And i was looking at one particular image of Dartmoor (Devon, UK) and thought it fitted in nicely. So here it is all packaged up for you to use.
Screen Shot:
Note i am using Fences which provides the boxes on the right of my screen, its really rather cool and i know it copies a feature from KDE4, but its rather useful.