FINALLY! I was able to get a good picture of one of the lizards that have been living in our stone facade and vinyl siding for years. There are several of these, and being a smoker, I've been able to get to know them during my quiet smoke breaks. They skulk up to prey (moths, beetles, flies) and very quietly and deftly snatch them and eat them. It's amazing how big of prey they can eat for being so small. They also squabble a lot amongst themselves and seem to be quite territorial about the little holes and crannies. They'll make odd chirping noises when doing battle. They also blend in almost perfectly into the particular limestone facade and vinyl siding on the house. The most obvious color differentiation is with their gut and eyes - you can tell when they've had a good hunt as exhibited by the one I managed to catch on film/SD card.
Please click for big to see all the funny detail on this guy:
Close-up of him hanging by two feet and a tail: