Kangaroo makes layer repetition in After Effects fast and easy.
Simply create the first layer, then let Kangaroo do the rest.
Best Value - Use Kangaroo on up to 2 machines at the same time
Use Kangaroo on up to 5 machines at the same time
Use Kangaroo on up to 10 machines at the same time
Use Kangaroo on up to 30 machines at the same time