Apple Mac OS X Server v10.6 - Manual (Page 26)

You can also add transitions between these items.
In the Edit stage, Podcast Composer places the branding items and the input movie in
a timeline from left to right, in the following default order:
Introduction movie (optional) Â
Transition (optional) Â
Title movie (optional) Â
Transition (optional) Â
Input movie Â
Transition (optional) Â
Exit movie (optional) Â
26 Chapter 4 Configuring the Edit Stage