MasterPhotoshop CS4 with this visual, hands-on guide to using layers, under the expert guidance of digital imaging specialist Richard Lynch. Layers, PhotoshopPolish: correct and enhance color, fix composition problems, and repair damage or flawsManipulate: isolate image areas for changes, adjustments and experimental conceptsUnderstand: use all forms of layer blending, including transparency, clipping masks, opacity/fill, layer masks, layer modes, channel targeting, Blend If, and Effects/Styles