This photography tutorial is a must-read! If you want to take your photography to the next level, you'll want to use layers in your editing software. It's a large part of what makes professional photos look professional.
In this video tutorial Trevor Dayley gives a few quick and helpful tips on using the Adjustment brush in Lightroom. If you’re new to Lightroom this is a great place to start to get a little more creative control.
6 Commonly Used and Confused Tools in Photoshop Explained