There is a post-credit scene with Penny, Josephine Chesterfied and Enrique Escalera (the Guatemalan) at dinner, with more of Penny playing the family idiot.
The title spells "Ethel Huts" before mixing up to "The Hustle"
The opening credits start after 4 minutes.
The opening credits feature an animated sequence of a battle between Penny and Josephine ending in an explosion.