Traditional adjustments of levels, hues, saturation etc in photoshop should be a thing of the past. Adjustment layers are editable so you can make changes to your levels and go back and edit them later. You can even mask them. This tutural from Sam Scholes is great for the beginner or photoshop enthusiast who is looking to learn how to implement adjustment layers.
Chris Bishop professional commercial, landscape & travel photographer based in Perth, Western Australia.