This technique of “revealing the inner robot” has become incredibly popular lately, and it's showing up in print, on the Web—just about everywhere. At first you might think, “I don't have any robot innards photos” but you'll be amazed at how a photo of mechanical parts (from car engines to industrial plants to a photo of the inside of your computer) will do the trick. This one looks complicated, but it's surprisingly simple.
Quick Tip: Getting rid of blemishes and scratches on your image
If you have an image with blemishes, spots, or scratches (generally called “artifacts”), here's a little trick that will help. Click on the Blur tool, and in the Options Bar, lower the tool's Opacity setting to 20%, change the blend Mode ...