Here are some Scripts that have been drafted by Cherry Blossom Motion Graphics. All the scripts listed here are free to use.
Simple Particle World – predictable control of CC Particle World’s particle emitter, as well as the floor position. (Version 1.1)
Camera Crane Shots – Creates a virtual camera crane for Easy-To-Use crane shots within After Effects
Real World Camera Rig – creates a camera truck and camera. The camera can pan and tilt independently, or a layer can be selected as a target for the camera to follow.