This tutorial came out of the PDDP project:
http://puredata.info/dev/pddp
Contributors include (in alphabetical order):
Alexandre Castonguay
Aymeric Mansoux
Ben Bogart
Frank Barknecht
Hans-Christoph Steiner
Jerome Abel
Koray Tahiroglu
Malte Steiner
Max Neupert
Miller Puckette
Thomas Musil