Lots of wedding guest book options! A caricature of you and your soon-to-be spouse, (add your pets, too!). Or you can do a thumbprint tree, or a thumbprint balloons on a bicycle built for two! Guest put their thumb print on the art with their signature and a wishful greeting.
Whether it is 100 years of a businesses timeline to 50 years, or less. This is a great way to commemorate the achievements your company has achieved. Have prints made to give to staff members.