After you've completed the basic Rails app so it passes all the tests, check to make sure your live site works well so you can get full credit for the Rails challenge.
Next, think of a cool new feature you can add to your blog platform, and code it up. Your app will then be eligible for bonus points in this contest!
Creating tests for your new feature is optional. If you do add tests, make sure they are in a separate file from the other tests.