WOLFCODERS ScreenSnap
http://www.wolfcoders.com/screensnag/index.php

ScreenSnag provides a quick and easy way to take a photo of your computer screen. Capture the entire screen, a region of the screen, a window, or an element on the window with a single hotkey or click. You can also use Timer option to perform captures at intervals that you define. Save any combination of your preferences as a profile and make the capture process quicker and more efficient. This has been added to the tools section of Research Resources Subject Tracer™ Information Blog.