Making Light Behind Objects Using Expressions

Using Fractal Noise and Lens Flare filters to create this interesting and useful animation. See tutorial.

CE Color Corrector

Color Correction in After Effects using Animation Presets with Expression. See Tutorial at Creative Cow.

RGB to HSL Expressions

Great tutorial on converting the value of a RGB to HSL using Expressions.

Expression Library

A great resources for Expression.

Wiggle Expression

One of the most useful Expression EVER! – Wiggle

Expression Connection

Using Expression in After Effects without the Math!

Spiral Path in 3D Space

Building a Spiral Path in 3D Space using Motion Sketch with Expression.

Volume Light using Expression

An advanced expression tutorial on creating volume light.

Animating a Walk-Cycle Using Loop Expressions

Animating a walk-cycle using parenting, then loop the animation by using expression!
Link

Expression

6 lessons of expression

Lesson 1: The Basics
Lesson 2: Arrays and Variables
Lesson 3: Value
Lesson 4 : If/Else
Lesson 5: Modulus with If/Else
Lesson 6: thisComp