The certificate is in A4 paper size.
Poster is scaled to paper size A3, you can write more informations about your event inside the white space.
Add frame to your profile picture
Twibbon allows you to add our frame to any picture you have, besides Twitter or Facebook. So you can use it in other social media.
It works similar to Twibbon but this one is in higher resolution (850px) compared to Twibbon (400px)