To use these Sunnydale Slayers posters and prints, you can simply hang them on your wall using thumbtacks or picture hangers. Make sure to choose a dry and clean area to prevent damage. When cleaning, use a soft, dry cloth to gently wipe off any dust. Avoid using harsh chemicals or getting the posters wet, as this could fade the colors or damage the print. With proper care, these posters and prints will look great for a long time.