Merge pull request #611 from FrozenShade666/patch-2

Update README.md

README.md

@@ -7,7 +7,7 @@ jMonkeyEngine is a 3D game engine for adventurous Java developers. It’s open s
 
 The engine is used by several commercial game studios and computer-science courses. Here's a taste:
 
-![jME3 Games Mashup](http://i.imgur.com/hBehW2i.jpg)
+![jME3 Games Mashup](https://i.imgur.com/nF8WOW6.jpg)
 
  - [jME powered games on IndieDB](http://www.indiedb.com/engines/jmonkeyengine/games)
  - [Maker's Tale](http://steamcommunity.com/sharedfiles/filedetails/?id=93461954t)