Rubberize It! is a remarkably easy way to make your animations squash and stretch like rubber. It works with type, stills, video, shapes, vectors and any other layer that can accommodate puppet pins.
Just place the pins on your layer, select a material and click Rubberize! It’s that easy. Once set in motion, your layer will behave as if it were made of rubber, vinyl, goop, or five other bendy choices.
Rubberize It works by displacing puppet pins based on a layer's acceleration so that changes in its position, rotation or scale will automatically trigger a reaction. It even works with motions inherited from a parent layer.
The UI is built to apply changes quickly and easily and offers a fast learning curve.

Home Page - http://aescripts.com/rubberize-it/