When Jimmy drives past the movie theatre and sees Barney, Frank, and Shelly, there is a movie poster for "My Name Is Earl The Movie", based on My Name Is Earl (2005), also written and created by writer Gregory Thomas Garcia.
Along the wall of the movie theater there is a poster advertising "2 The Max" a film made in Greg Garcia's other show "My Name is Earl.
Maw Maw (Cloris Leachman) shows Jimmy what life might be if he hadn't done certain things in his past. She also played Clara Oddbody in the movie It Happened One Christmas (1977).
When Virginia says "we're gonna be famous in the bad way, like that no-namw actor from Lost who married that 16 year old girl", is probably a reference to actor Doug Huchison, who married a 16 year old girl in 2011, when he was 51.