There's also a neat free program called SolidColorScreen that I found on PocketPCPassion a long time ago, that I think is still available for download. It just turns the whole screen into a solid color (and gives you a whole chart of colors to choose from). Here's the link --
http://www.pocketpcpassion.com/NewsA...hive_Nov00.htm
There's another similar free app called Colorview that's kind of neat. It allows you to put in any RGB values and shows you the color (not quite full screen) --
http://home.swbell.net/odonnel1/ppc.htm