I'm looking for a way to use the Brush Tool as a means of highlighting the portions of the image I want to remove. When you use it, it puts a red tint over the section and then when you're finished highlighting, you can select the portions of the image you highlighted and do ..whatever.. with it. I know there's a way to do it, I even had a nice worksheet on it, but that's mysteriously vanished. I'm using Photoshop CS, if that helps.