Updating README to use @V1rgul's screenshot.

Per #370

README.md

@@ -30,9 +30,9 @@ this theme focus on four primary goals:
 4. Optimize the code for execution speed as much as possible. A snappy terminal
    is a happy terminal.
 
-Here is `powerlevel9k` in action, with [some simple settings](https://github.com/bhilburn/powerlevel9k/wiki/Show-Off-Your-Config#natemccurdys-configuration).
+Powerlevel9k can be used to create both very useful and beautiful terminal environments:
 
-![](https://camo.githubusercontent.com/80ec23fda88d2f445906a3502690f22827336736/687474703a2f2f692e696d6775722e636f6d2f777942565a51792e676966)
+![](https://camo.githubusercontent.com/b5d7eb49a30bfe6bdb5706fa3c9be95fe8e5956e/687474703a2f2f67696679752e636f6d2f696d616765732f70396b6e65772e676966)
 
 ### Table of Contents