To set an image as your desktop background, right click on the image and click “Set as Background”
How about some optical illusion art? Which size would you like for your desktop wallpaper? 1152×864 | 1024×768 | 800×600
For this optical illusion to work, stare at the center crosshairs and move your head in and out from the screen. Sometimes when you just look to the side or relax your eyes a bit, you’ll notice the spiral moving.