Here are my notes for Installing Fab-tools on OS X (10.4) I will keep extending this, so come back for details.

Getting cam.py running on MAC
a. Install macpython 2.4 from here
b. Install tcl/Tk aqua plugins and addon's from here.
c. Install
d. Run Python package manager and install tcl/tk
e. Run cam.py in python launcher


edit