"Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Boost your email opens with a punchy subject line. Feel free to spin in your chair while you wait “There are so many beautiful designs to choose from. I feel like a professional when I use it.” - Dr. Oberson Keep your email subject line short and attention-grabbing. Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Sit up straight. Let your imagination run wild.