I've done an article on modding a QuickCam pro 3000 and I'm working on one for the toucam.
The quickcam one is
here
You won't get shots like these out of a modded webcam unless you swap the chip though. The best I've managed with a normal webcam chip is
http://www.coxellis.pwp.blueyonder.c...m/dso/m822.jpg
A lot of detail in the shot was lost to light pollution though and if I'd have been able to guide it, I could have pushed for more.
The chip change for the toucam is actually pretty straight forward - might be a job finding the chip though...
Andy