Download background: 500x109, 600x131, 917x200, 1024x224, 1600x350, 2368x518
Scroll down and click on any of the previews to apply the filter.
When you get to something you like, choose the Download link on the right to get a full-sized image.
Original image page
A good start is to scroll down to Levels and choose Fade to White for a light background, or fade towards black for a dark one. After that you might like to try an effect or two.
