Quickcam and various platforms

[PT]

> Does anyone know how to access the cameras (USB specifically) in any 
> of these operating systems? I don't mind writing a new interface if 
> that's what it takes!

See also PyCV:
http://members.tripod.com/~edcjones/pycode.html
and linux & os x resources (you'd have to create a python wrapper
using SWIG or Boost):
http://antonym.org/?q=node/view/20
http://webcam-osx.sourceforge.net/
http://www.ioxperts.com/dcam.html