In this tutorial, Aharon Rabinowitz shows you tips and techniques for creating interesting fire and water-based effects with your Artbeats footage.

This plugin will use a "UV pass" (or ST map) rendered from your 3D package to directly re-texture your objects in After Effects.

This is a Pixel Bender plugin that allows for quick and easy lens distortion correction or effects including chromatic aberration.

It's a small, very simple plugin which replaces textures by using a UV map (like maltaannon's youveelizer, but with much fewer features)

After Effects Camera Mapping Tutorial 2D to 3D

The Fractal Explorer plugin is a couple of free Pixel Bender filters that will generate Mandelbrot and Julia set fractals to any power in real-time.

Have you ever looked in the Adobe After Effects Effects menu and wondered what some effects are used for?
This time: Auto Color, Auto Contrast and Auto Levels

Learn how to create realistic running water in After Effects. Use particles to drive an image map displacement effect based on a background still image. You will learn how to use CC Glass to achieve a Specular highlight for added realism.

Normality is a powerful plug-in that allows CG Artists to light 3D objects and scenes directly within the familiar Adobe After Effects environment through the use of normal passes and advanced relighting techniques.

A practical application of a layer space transform.
Not very new, but still very useful.
by Dan Ebberts's resource for After Effects scripting and expressions