There are a number of different ways to learn After Effects, go on a course, read a book, ask a friend or use the internet. By using the internet to learn After Effects you have some of the best teachers available at your finger tips. Here is a short list of some great resource sites that I use regularly when working on an AE project, hope they help and good luck.
Resource Sites
Video Copilot – Andrew Kramer’s site is one of the best out there, his tutorials are consistently brilliant, his products and knowledge are mind blowing and he is always giving away free resources and project files for his readers.
Creative Cow – Another great site that is driven by its community. It has over 200 online forums spanning a wide range of professional video tools and software and over 1,000 text and video tutorials. Just watch out for the ads.
AE Tuts – The quality of the tutorials on this site do not quite reach the heights of the other two. It is however part of a family of sites that cover the whole range of digital design and development which is why it is included on this list.