Add shared BackRow+Constants.h, which, as the name implies, will contain constants.
Retrieve images by name from the BackRow resources bundle.
Make BRMenuItem a subclass of UITableViewCell and add unplayed and spinner accessories.
Use new constants in app.
Show spinner accessory while fetching episode data.
Let the BRMediaAsset know it hasBeenPlayed.
Store the timestamp of the user's progress and resume next time.
At the very least remove the spinner accessory after starting.