Add screenshots to readme

plugins/bgnotify/README.md

@@ -16,6 +16,21 @@ Just add bgnotify to your plugins list in your `.zshrc`
 - On windows you can use [notifu](http://www.paralint.com/projects/notifu/) or the Cygwin Ports libnotify package
 
 
+## Screenshots
+
+**Linux**
+
+![screenshot from 2014-11-07 15 58 36](https://cloud.githubusercontent.com/assets/326829/4962187/256b465c-66da-11e4-927d-cc2fc105e31f.png)
+
+**OS X**
+
+![screenshot 2014-11-08 14 15 12](https://cloud.githubusercontent.com/assets/326829/4965780/19fa3eac-6795-11e4-8ed6-0355711123a9.png)
+
+**Windows**
+
+![screenshot from 2014-11-07 15 55 00](https://cloud.githubusercontent.com/assets/326829/4962159/a2625ca0-66d9-11e4-9e91-c5834913190e.png)
+
+
 ## Configuration
 
 One can configure a few things: