"I use PosterMyWall to create flyers for the MANY non-profit organizations that we are involved with!" - Stachia Sit up straight. Don’t forget to add a fun, relevant call-to-action button to your email. Boost your email opens with a punchy subject line. [insert fun loading text here] "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula We’re very font of you because you’re our type. Keep your email subject line short and attention-grabbing.