I know very little about editing photos in Photoshop, and am far from being an expert, but I enjoy playing with it and figuring out how to accomplish the alterations that I'm imagining. Earlier this week, I saw this friend's awesome photo of a pea pod and thought it would be cool if the peas were all different colors. So I downloaded the photo and opened it in Photoshop. Showing my ignorance, I went about it the wrong way at first. I started by using the polygonal selector to make a selection around each pea and copy it to a new layer. Then I tried to play with the Levels settings for each pea layer. The results were pretty disgusting, and the borders around the selection were too hard. It looked like I'd physically cut them out with scissors, colored them, and pasted them back on the original image. Yuck.
Finally I figured out how to really do it:
No doubt there are at least 17 other ways to accomplish the same thing, but this is how I did it. And here's the result:
Check out the original here.