I just noticed that Bruce Neubauer, Associate Professor at Albany State University, has embedded two of my videocasts on his web page. (You need to scroll down a bit.)
Neubauer has a videocast explaining how to use the Transformation Logic Tree, TLT. TLT is a program for creating all the trees in The Logical Thinking Process (TLTP). TLT is included on a DVD that comes with Bill Dettmer's book The Logical Thinking Process.
Here is Neubauer's videocast: