Here is a pack of presets I made using expressions; it can easily be customized by duplicating groups to add more elements and automatically cycle colors (you will need the color swatch preset from previous lesson07). Expressions controls make it easy to retime, randomize and add delays. inPoint of the shape layer is being used as the start point for the time interpolation. Have fun with the freebie!
AExpr transition pack from toma ever on Vimeo.