David Kersten, Wide Angle Media (WAM), provides and introduction to fractal backgrounds, an essential building block for motion graphics design and compositing. See produced Vimeo examples below.
The Run & Gun Video Show is produced by WAM to demonstrate video and motion graphics projects and techniques to a broad audience of industry professionals, students, and business professionals looking to use such digital tools to promote their business operations and branding.
The After Effects Illusionist, by Chad Perkins, is essentially the bible of effects in After Effects, and has demonstrations of all of the effects in After Effects--all in one book. Here is the link to the book on Amazon.com: