The document describes three movie posters created for a fantasy film: a vertical theatrical poster, a horizontal theatrical poster, and a vertical teaser poster. Effects used in the posters included modifying backgrounds, cropping and layering images, and using custom fonts. Conventions like mysterious red backgrounds and dragon silhouettes were employed to intrigue audiences and entice them to watch the movie. Photoshop was used to edit images and customize the posters to the creator's liking.