There are a number of other sources of Drama Teaching tools on the internet, here is but a selection to get started!

10 MIinute Plays by Alex Broun

Drama And Technology in the Classroom

Improv Encyclopedia

MacScouter's BIg Book of Games

MacScouter Skits

Drama Teachers' Blogs

A number of Drama Teachers blog their life away on the internet. Such as...

Capitan Typo's Adventures in Education