Take screenshots of active window or of a custom region.
With QuickScreenShots take screenshots and apply it effects such as adding a drop down shadow or making it black & white, copy it to the clipboard and save it on disk, only in one step. Then, draw on it if needed. It features multi screen capture, delay screenshots, auto save with incremental file names, auto copy to clipboard, auto apply shadow effect, auto apply rotation, auto convert to greyscale, sits in notification area, and system wide keyboard shortcuts.