When Danny tries to leave Gwen's room at the brothel and runs into the closed door, the wall sways, and shows it is a temporary studio set.
At El Puerco's encampment in Malaguay El Puerco tells Jessica that there are all sorts of animals where they are encamped. Jessica becomes very concerned when El Puerco tells her that there are Gila Monsters (she focuses on the word "monster"). BUT Gila Monsters are NOT found in the Caribbean Islands (which is where Malaguay, a fictitious place, is supposed be located). Rather, they are found in the desert regions of the Southwestern United States and Northwestern Mexico.