Great utility if you need more than the usual "prt scr" button.
"FastStone Capture is powerful, flexible and intuitive screen capture utility. It allows you to capture anything on the screen including windows, objects, full screen, rectangle regions, freehand-selected regions and scrolling windows/web-pages. It has innovative features such as floating Capture Panel, hotkeys, resizing, cropping, text annotation, printing, emailing and many more." 
