Here's another site that offers excellent free Adobe After Effects tutorials and animation presets. The site is VideoCopilot. Humorous and engaging tutorials are presented by founder, Andrew Kramer. In this example he demonstrates how to create the popular earth zoom out effect:
VideoCopilot also offers fun and useful After Effects plug-ins at very affordable prices. I've been working with Twitch for about a week now and am very impressed. It's easy to run and at $50, really cheap . Click here to see what Twitch can do.