Looking at Tucci's blood on the gurney, Masuka suggests that they photograph it. In response, Dexter jokingly calls him Jackson Pollock. Jackson Pollock was an American abstract expressionist artist who used drips and dashes to paint his canvases - and a site where a bloody murder has been committed will also feature drips and dashes, as Dexter knows.
When vetting the scrap yard owner / immigrant smuggler, Dexter tells him that he owns a 32-foot Concept, in hopes of steering the conversation toward boating. Dexter's "real" boat is a 29-foot center console made by Century Boats.
Dexter and Rita watch "Terms of Endearment (1983)". John Lithgow, who played in that movie, plays the Trinity killer in Season 4 of Dexter.