This video goes through the behavioral features of the screenwriting bundle by Oliver Taylor.

It should be interesting even for non-screenwriters, as it is an impressive demonstration of how much automation one can achieve without writing a single line of code (the author of the screenwriting bundle is not a programmer).

This is one of several screencasts which introduce the user to writing screenplays in TextMate.

For more info visit [this link](http://code.google.com/p/screenbundle/)