Photoshop files can contain layer sets, groups of layers that are imported into AE as precomps. Unfortunately these precomps are always the same size as the main comp.

This script scales the active comp and all the layers within it.

An introduction to the power of good composition and how it applies to graphics and imagery. Learn how to improve your composition by using the "Rule of Thirds". Learn how to create a handy template in After Effects to help you design stronger compositions.

The script will set up a simple camera rig in your composition with rotation and position controls located in one Control Null. The camera rig also works really well with Videocopilot's Sure Target.

This script creates a 3D pyramid with user-defined layers. Assign a layer to each side of the pyramid, and the script will position, rotate, scale and mask them to build a pyramid of given size.

This script creates a 3D box with user-defined layers. Assign a layer to each side, and the script will position and scale them to build a box of given size.

This script sequences the selected layers from the current composition time, by offsetting their inpoint.

This script can be used to quickly turn layered artwork into a 3D multiplane scene.

A video cube with 6 compositions in HDTV to insert videos, a 3d null object control the movement of the cube.

sParticular is a script that helps you with 3D integration when using Trapcode Particular.