You can see if your webcam supported by uvcvideo driver.
uvcvideo web siteTo download the latest uvcvideo driver.
svn checkout svn://svn.berlios.de/linux-uvc/linux-uvc/trunk
make & make install
(Must have kernel header and source. you should use "yum update" command to upgrade your system and software)
In my fedora 8 system, my Logitech Quickcam Communicate Deluxe works well.
Actually, Installing Skype on Fedora 8,9 is very easy.
First, you must download skype for linux from skype website. It's is .rpm file.
Second, use yum command to install or upgrade qt4-x11 .
yum install qt4-x11
use rpm command to install skype
rpm -ivh skype-xxxx.rpm
done!