When Michael and Tahani are introducing themselves at the front door of Donkey Doug's apartment, a guy carrying a brown paper shopping bag is seen walking in the background on the second floor twice; once when Michael says he's not a cop, and again when Tahani waves when introduced as Jason's wife.
The Jacksonville International Airport does not have a dedication attached to it (as of 2020). Also, its the massive entrance and exit area is actually raised and directly across from a multi level parking garage and its multiple lanes are partly covered.