This expression is customizable, and you can change many things including: the radius of the cylinder, the overall rotation of the cylinder, the spacing vertical spacing between rows of the cylinder, and the amount of layer on each level of the cylinder.

Here's how you can create a realistic carbon fibre texture in After Effects using Ramp and CC RepeTile.

You know the good old movies shown in an old flickering and not very well timed film projector where you can see the different frames scrolling.

Arranging many images or videos into a grid can be quite a tedious process if you do it manually because you generally want to tweak spacing and size as you go...

Auto-orientation towards the camera is a 3D technique in After Effects with a lot of uses. Sometimes though, it would be better if the auto orientation only affected the layer's y axis.

Cast 3D shadows onto live action footage
Use shadow diffusion and special material options
Tutorials for Visual Effects & Motion Graphics
Free After Effects Tutorials & More Hosted By: Andrew Kramer

How to create text that flows with water or fabric.
By Trish and Chris Meyer

Projectfile with a default camera, parented to 2 null objects and a master controller

Often very useful to wiggle only horizontal or vertical

More experimentation with sampleImage().
from http://www.creative-workflow-hacks.com