The document discusses people's opinions on horror/thriller genre posters. Several posters are described, noting elements like shadows of people and a woman hiding, a title with blood, and a woman with a cut face looking angry. Posters are praised for using good colors and showing ghosts. People generally expect to see dark colors like red and blue in posters, and to see main characters' faces. For horror film trailers, people anticipate scary things, creepy music, dark lighting, jumpy parts, blood, and tension-building music to get a sense of what the film will be about without revealing too much.