Use AS for transition animations between loading swfs?

I’d like to learn how to get smooth transitions between my site pages and I’ve checked out the tutorial on this site: http://www.kirupa.com/developer/mx2004/transitions.htm

This tutorial has the basic effect I’m looking for but I’d like to know if anyone has a way of making this process even more modular. Specifically, is it possible to create a separate transition intro animation swf (or outro animation swf) that is loaded when the user clicks a button to load the next page. In the above tutorial, the transition animation is added to the beginning and ending of each swf.

If I’m taking the wrong approach here, please let me know. I just really want to get this down so my site pages aren’t jolted in and out.

How do some of you create smooth transitions between loading swfs?
Any tips, tutorials, or general advice would be great!