Add new screenshot to README

README.md

@@ -5,7 +5,7 @@ Slate
 
 Slate helps you create beautiful single-page API documentation. Think of it as an intelligent, modern documentation template for your API.
 
-<img src="https://dl.dropboxusercontent.com/u/95847291/github%20images/slate/slate_screenshot.png" width=700 alt="Screenshot of Example Documentation created with Slate">
+<img src="https://dl.dropboxusercontent.com/u/95847291/github%20images/slate/slate_screenshot_new.png" width=700 alt="Screenshot of Example Documentation created with Slate">
 
 *The example above was created with Slate. Check it out at [tripit.github.io/slate](http://tripit.github.io/slate).*