LXDE

''LXDE is a GPL licensed open source desktop environment for Unix and other POSIX compliant platforms, such as Linux. The name LXDE stands for "Lightweight X11 Desktop Environment".'' -- http://lxde.org/lxde

Installation
To install the LXDE, emerge the lxde-meta package using the following command:

Configuration
To start LXDE using startx, add "exec startlxde" to.

Alternatively, a window manager, such as LXDM, may be used.

Additional applications

 * Text Editor :
 * LXDE Display Manager :

Taking screenshots with xwd
There are many ways to take screenshots in LXDE, but all require some work. Solution below uses xwd to capture screenshots, imagemagick's convert to save them to png, and notify-send to send a notification to desktop. See, ,. It places screenshots in $HOME/screenshots/.

First create key bindings:

Then create and make executable the following simple script: