Matt Ridley has a very interesting page with some helpful AppleScript tips. Beginning AppleScript is a beginners tutorial from the AppleScript web page. Apple's AppleScript Guidebook is a series of modules that work with Apple's online Help viewer . The content is very high quality and I recommend these to any user. The page contains links to installers for each module.
Installation takes a minute or two for each module.
Requires Mac OS 8.0 or newer. Ben Waldie's Introduction to AppleScript Training CD Macscripters Magazine from Bert Altenburg and Vittorio Barabino is available on MacScripters.net . MacScripter's Magazine is a free e-zine in a multimedia format. DevHQ has a two part online tutorial. This tutorial will take approximately 10 minutes to complete, or 1 minute if you don't pay attention.