The document discusses how the poster and radio trailer for a psychological thriller film were designed to effectively promote the main product. It describes researching similar genre films for poster inspiration and creating a draft poster focusing on the mask as a key film element. The final poster was created in Sumo Paint and features shadows, lighting effects and social media links to match the thriller genre. Details are also provided on important inclusions for the radio trailer like suspenseful music, dialogue and sound effects from the film to draw in an audience.