There are a lot of tips, tricks and tools for pimping your WM6.1 phone the way you like. Now, here is another one of the latter.

After installation you'll find the tool here: Start -> Settings -> System.

If you like it, great. If not, never mind. It's beta.

So please use it on your own risk. I tested it using the Emulator and my P525 and it worked fine.

Note: When you click on Adjust to Background you have to wait a few seconds since analyzing the background image takes some time.