This creates a random jittery motion in the Y axis. You can modify probability to make or less jitter, and the pos variable to define how large the jitter is.

A very useful expression to automatically fade in and out based on the layers length.

Essentially, Inertial Bounce creates a bouncing motion of any parameter from one keyframe to the next, based on its velocity.

Learn how to use Fractal Noise to create a textured fade on a layer in After Effects. Then add some more effects and elements to finish up the title effect.

Learn how to use multiple nulls and parenting to simplify an otherwise complex camera move. Then use Particular and some additional effects to dress up the scene.

Have you ever looked in the Adobe After Effects Effects menu and wondered what some effects are used for?
This time: Arithmetic

Learn how to use Illustrator to break up a layer into pieces. Use expressions to automatically make the pieces move randomly into place.

Using Trapcode Particular and a Beveled stroke created with Write-On, Harry J. Frank created this pretty, pretty flower.