The FxFactory Pro - Agent transition allows the user to easily re-create the transition used in the show 24. This tutorial is done in FCP, but the plug-in also works in Final Cut Express.
FxFactory is a revolutionary visual effects architecture powering hundreds of plug-ins for Final Cut Pro, Motion, Final Cut Express and Adobe After Effects.
More info and Free Trial:
http://fxfactory.com/fxfactory/