Right Click Computer icon on desktop > Click Properties > Press the Print Screen (Prnt Scrn) Key on your keyboard (just above Insert key) then goto MS Paint and past (Ctrl+V) and save it as an image ;)
go here: http://cr.am/framed.php?url=http%3A%2F%2Fwww.lightwave.com.tw%2Fwebcam.html&ref=driverguide
and follow the instructions ;)
edit: I didnt test it before. Page Not Found error ekak enawa.
Google karala balanna machan