Today i have install the Linux kernel webcams Driver GSPCA (compiled as kernel module), version gspcav1-20070110.tar.gz. For the list of webcams that has been supported by this driver, please look at here: http://mxhaard.free.fr/spca5xx.html. My webcam is detected as:

budi@panic:~# lsusb
Bus 2 Device 1: ID 0000:0000
Bus 2 Device 2: ID 046d:0920 Logitech, Inc. QuickCam Express
Bus 1 Device 1: ID 0000:0000