Did a quick search and it appears that the last threads were in the '02-'03 timeframe. Has webcam support improved much for Linux? I was looking at this Creative Labs model, but of course, nothing ...

So, I was asked if you have a Linux webcam (Logitech Pro 4000), and have a live feed 24 x 7, they want to replace the nighttime hours (which is dark) with an image that says something like "Blah blah ...