I've followed it all, up till the screencast point #3. How can I do this when it doesn't post to facebook? When I click share to facebook, nothing happens, I'm assuming because it's not been setup yet.

So how can I show how it appears on a timeline in a screencast?

The app says when starting the connect to facebook "This doesn't let the app post to Facebook" so how exactly am I supposed to show a topic shared to facebook to gain approval? I've been rejected with this reason: 

Please include the user timeline with the published content in the screencast