Formatting & fixed link

Author: sc68cal

README.md

@@ -5,18 +5,22 @@ This plugin enables Git-Tfs commands to be run from within GitExtensions
 ## Supported Commands
 
 `tfs pull`
+
 `tfs pull & rebase`
+
 `tfs fetch`
 
 `rcheckin`
+
 `checkin`
+
 `shelve`
 
 ## Usage
 Once installed, the plugin will appear in the GitExtensions "Plugins" menu. Selecting "git-tfs" from the menu.
 
 ## Screenshots
-![Screenshot](http://imgur.com/YOuH3)
+![Screenshot](http://imgur.com/YOuH3.png)
 
 
 ## Install