Digital

http://www.mediachance.com/digicam/blackframe.htm page talks about how to remove “hot pixels” ( http://www.mediachance.com/digicam/hotpixels.htm ) from a shot.

http://www.kenrockwell.com/nikon/d40/users-guide/index.htm ken rockwell’s Nikon D40 configuration and usage tips

http://www.kenrockwell.com/index.htm Digital Photo Information resource site