Logitech Express Camera and Ubuntu

Ok I am using a Logitech Camera and it stays on all the time. I have to unplug it to stop working.
Or when my husband is using his it shuts my pick off but the camera is still on. Or When it working right, he can see me but I can't see him until I turn my camera off. I think there is a conflict somewhere causing my camera not to work right.
I have Linux Ubuntu 2008. I tried installing the thing from the site but I am confused with linux.. Is there a atomatic download and install for this Camera instead of me going in and typinga bunch of stuff..