Add screenshot of brightness and version.

source/3/3.2/3.2.3/brightness.rst

@@ -7,6 +7,14 @@ Useage
 ------
 To use brightness click on the dial towards the right window of the window. To make the screen dimmer use the left arrow key or click on the dial and drag it towards the left.  If you want to make the screen more bright press the right arrow key or drag the dial towards the right.
 
+Screenshot
+----------
+.. image ::brightness.png 
+
+Version
+-------
+Lubuntu ships with 0.13.0 of Brightness. 
+
 How to launch
 -------------
 To launch brightness from the menu -> Prefrences -> LXQt settings -> Brightness. Another way is to press the birghtness button on LXQt configuration center or run lxqt-config-brightness from the commandline.