There's been a lot of tutorials on the curves. But why should you use the curves over contrast/white balance/split toning, etc? In this tutorial by Denny's Tips, you'll learn 4 scenarios when you should be using the curves.

A tone chart makes using the curves adjustment much easier and more accurate. This Photoshop action can be used to add a tone chart to your current Photoshop document in just one click. Download Photoshop Actions Denny's Tips.zip

Download Lightroom presets and LUTs, absolutely free. Use the presets to add creativity and style to your photos.