电子书免费下载 Adobe Seminars: Web Page Design

Often times images that you scan or illustrate need to be touched up—increasing highlights and shadows—until you have a perfect, natural image. In Photoshop, there are two painting techniques that essentially allow you to paint

with natural light and shadow. For instance,you can add natural shines to hardwood

floors, glows around light bulbs, or natural shadows to help add depth to an image.