So you're searching through your image files for a few shots to use as a background photo for a project. You find what you're looking for, a tree backlit by the late afternoon sun, but it isn't quite perfect given that it doesn't have many leaves. Using Photoshop's Patch tool, you can enhance a setup that nature may have shortchanged and make it look just as you think it should. A few minutes with the Patch tool might save you the expense of another shoot or an online stock shot.
Open a practice image that has good color contrast and well-textured areas, such as the one shown in Figure A.
Make a duplicate layer of your original image by selecting Duplicate Layer ...