Quick Shooter

Quick Shooter is a tool which allows you to take screen shots of windows, regions or entire screen. Program can work from tray, so it doesn't waste precious screen-space. After you configure it you can just keep clicking [Print Screen] to save new images.

Main features

User-definable output directory and prefix
You can capture entire screen, selected window or defined screen area
Images are saved in lossless, well-compressed PNG files