One of Fremantle's most famous bike-riding photographers frequently says that if Photoshop is the answer, you've asked the wrong question. He's in a good position to say this as he has passed a working lifetime making excellent pictures with film as well as digital cameras...
Because if you are, keep your fingers out of the way. For myself, my cutting edge is best expressed by the heading image. I am allowed to use one at the dinner table as long as I have corks on the sharp points of the fork....
Not if I'm in 'em. I can look horrible by myself - I don't need professional pictures to prove it. We all break a picture now and then. In our early photography days they can all be cracked and sad as we learn what to do...
It's how you fix it. And when, and where, too. I flew a scale model airplane into the floor yesterday, courtesy of a my coat sleeve, and the landing was a hard one - no nose gear left. It was up off the floor as fast...