"Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Let your imagination run wild. Feel free to spin in your chair while you wait Don’t forget to add a fun, relevant call-to-action button to your email. [insert fun loading text here] Try different email subject line styles to find what gets the most opens. Get creative with emojis in email subject lines to increase open rates! Boost your email opens with a punchy subject line.