via SmashingMag:

Saving repetitive tasks as Photoshop actions can save you a lot of time, allowing you to automate your work and improve workflow efficiency. A Photoshop action is a recording of a sequence of commands and operations that you can save and access later on.

We’ve searched for the best downloadable Photoshop actions that can help you improve your workflow and perform complex techniques with the push of a button. In this collection, you’ll find more than 350 free hand-picked Photoshop actions that you can use to speed up your graphics creation.

Very useful. Try some!