Added screenshot to readme

README.md

@@ -1,5 +1,7 @@
 # [Ghost](https://github.com/TryGhost/Ghost) [![Build Status](https://travis-ci.org/TryGhost/Ghost.svg?branch=master)](https://travis-ci.org/TryGhost/Ghost)
 
+![Ghost Screenshot](https://cloud.githubusercontent.com/assets/120485/4828504/9e832764-5f80-11e4-8ac1-0332bcc67a35.png)
+
 Ghost is a free, open, simple blogging platform that's available to anyone who wants to use it. Lovingly created and maintained by [John O'Nolan](http://twitter.com/JohnONolan) + [Hannah Wolfe](http://twitter.com/ErisDS) + an amazing group of [contributors](https://github.com/TryGhost/Ghost/contributors).
 
 Visit the project's website at <http://ghost.org> &bull; docs on <http://support.ghost.org>.