This 15 minute tutorial shows how to get After Effects layers to follow the animation of another layer with a delay. When using various layers with staggered delays, the animation appears to ripple through the layers like a wave.
The effect is set up using expressions to create a robust and centrally adjustable system. The tutorial is aimed at beginner to intermediate level (with expressions, that is, not After Effects in general!)
An 8 minute Quick Tip showing a possible way to use the Layer Control (Expression Control) and demonstrating some of the special requirements that the Layer Control Expression Controller requires and why.
This 20 minute After Effects Expressions tutorial shows you how to create a moving wave across a number of 3D layers that's controlled by a slider parameters on a controller layer. It's a simple exercise in creating a movement system across multiple layers. It's aimed at intermediate expressions users.
18 minute quick tip, showing how you can use a text layer in After Effects to control a simple bar chart.