As stated by Adobe®
CS3 software accelerates your path from imagination to imagery. Ideal for photographers, graphic designers, and web designers, the professional standard delivers new features such as automatic layer alignment and blending that enable advanced compositing." With Photoshop®
CS3 Extended you can also add, adjust, and remove filters from an image without having to resave the image or start over to preserve quality. And you can make selections in a snap; the Quick Selection tool automatically completes the selection for you. Watch, listen and learn about these features and many others.