Resolution is a fundamental concept in Photoshop. This lesson will help you avoid getting thrown for a loop when you go to print your image or save it for the web.

You can loop through items in a group with the for loop, as well as combine arrays with loops to run ActionScript statements for each item within a group.

Repeating actions is best accomplished using loops. Doug introduces the basic for-loop, and walks you through how to customize it and how the for-loop executes.