In its simplest form, what PS allows you to do is simply point your gun at anyone who's teamswitchable, and press a key (as defined by yourself), and you teamswitch into them!
View the forum thread for this resource here.
The OFPEC Command Reference contains details of all scripting commands available to the editor.
All you need to know about how to start editing.
This tutorial explains the mysteries of multiplayer editing.
OFPEC hosts several quality tutorials written specifically for the site by staff and members...
Register a tag, browse for addon keys...