Isiah Whitlock Jr.'s character Ronald Wilke references the character Omar from the TV show The Wire (2002). He played the character State Sen. R. Clayton 'Clay' Davis on the TV series. According to Whitlock, the 'Wire' references were in the script before he was cast, and they decided to keep them in place as an in-joke for fans of both Whitlock and his former show.
The hotel wedding that Tim and his friends crash is for two women. Same-sex marriage has been legal in the state of Iowa since April 3, 2009, when the Iowa Supreme Court unanimously upheld a lower court's ruling that there was no legitimate governmental interest in denying gay and lesbian Iowa citizens civil marriage licenses.