Homebrew PCBs

Note that gEDA's PCB has a way of loading a photograph as the
background of your work area for just this purpose, but it doesn't let
you go straight from photo to artwork, it's purpose is to help you
design a *real* pcb (footprints, traces, etc) using the photo as a
layout guide.

http://www.delorie.com/pcb/bg-image.html