This is your one-stop-shop when you need more than inspiration. Here you will find images, files, and code that you can use in your own projects.
Add a new reuseable
This script is nice because it's figures out the users screen width and height and calculates where the center should be.
Open source Java software development framework.
A wealth of info on developing interactives with the latest versions of Actionscript (Flash)
In addition to Adobe, you can find many code snippets here.
A quick "how-to" on centering a fixed width web page using css.