Hi!
I have a bit same kind of problem with my camera as Ferox. I tried to install it (Logitech QuickCam Messenger) last night, and I think that I got it working. - I did not try if I can get picture out of it. - But what worries me more, is that now when I'm trying to see the webcams properties with Messenger (7) whole computer crashes. It did it few times in a row, and I gave up and went to sleep.
I'll start troubleshooting it after I get home from work, but I just thought if someone would know something that help me getting started.
Thank you.