At the end of every episode, the card for the production company Spitzer Holding Company features a variety of items they specialize in. In this episode they list Clean Coal, Dirty Soap and Unpretentious Scarves.
Amy's fake name tag says "Rowena".
The manager's office door gains a window.
The attendees at Glenn's bible study are himself, Sandra, Earl, Elias, and Sarah, indicating that they are all Christian.