As a child, I did my fair share of coloring, first with crayons and later with colored pencils and ink markers. Unlike at least one friend (shout-out to Eva of Dawn and Dark Ivory fame), I didn't grow up to be an artist, so I haven't done that sort of thing in quite some time. Instead, I wound up with careers in other fields, and in one of them, I've lately gotten to the point where I occasionally get to visit schools and talk to kids about what I do, how it relates to things they're studying, and all that. And so, I've developed an interest once again in coloring pages - but this time, from the side of creating them! Conveniently, I take a lot of photos of things that make interesting subjects for coloring pages. Inconveniently, I don't have a light table and parchment paper, which I'd instinctively want to use to trace the outlines of things in a photo to create a coloring page. I do, however, have Photoshop. But knowing how to use P