Add further description and images

README.md

@@ -1,6 +1,8 @@
 # AARC
 A simple aspect ratio calculator for desktop operating systems written in Java 8
 
+Should work on any desktop operating system that can run Java 8. Designed and built on ElementaryOS 0.4 Loki.
+
 Changelog:
 Version 0.1 Alpha - Initial Release
 
@@ -13,3 +15,9 @@ TODO:
 - Ensure .jar file is executable
 - Other commitments listed in .java file
 - Sort out directory tree
+
+Screenshots:
+
+![First Launch](http://i.imgur.com/AeynAGw.png)
+
+![Post-Calculation](http://i.imgur.com/vN2SvgS.png)