The document discusses conventions and challenges in creating a trailer for a horror film set in a traveling circus. It provides background on the plot involving a murderous ringmaster and evaluates feedback on a rough cut of the trailer. Students suggested darkening imagery to build threat, introducing the killer clown later for shock value, and varying fast and slow shots to create tension. They also recommended using titles to better explain the story. The document discusses using software like Final Cut Pro, iMovie, Photoshop and Movie Maker in constructing, researching and planning the trailer.