I found these "colorful" invitations from Unless Someone Like You. Check them out at Etsy :: unlesssomeonelikeyou :: Unless Someone Like You - Wedding Posters and Portraits
Look close the invitation below are scratch the date.
Leslie at Unless, draws a digital image of the couple from a photograph. This design fee is about $200 (USD) and can be printed at your local printers. This would be a great way to brand your wedding. I think it would be a great idea to get the image printed on a large canvas and hang it in your home. (Sans "Save the Date".)