Xfce's built-in screenshot tool is OK, but it doesn't do much beyond letting you choose between capturing windows, sections ...
For anyone who has ventured into the realm of installing Crouton to your Chromebook to add some further functionality, the base install of Ubuntu is sadly lacking some vital functions for most users.
If you combine the Xfce desktop with the Compiz compositing window manager, you get a desktop with a bit more panache than if you were to use Xfce alone. Compiz helps to turn Xfce into something akin ...