Guests throw darts at balloons w/ paint inside, you keep the art :) . . . . This is such a fun Idea- you could choose the colors and the size to coordinate with your style - might be more enduring than having a fingerprint tree in your house forever
First Fight. Write love letters to each other and place into a box along with a bottle of wine.nail it shut at the wedding. When you have your first fight, open it up, pour the wine, go to separate corners, read the love letter & remember what it's all about.
The maid of honor could put this together. Have the mother of the bride, mother in law, bridesmaids, and friends of the bride write letters to the bride, then put them in a book so she can read them the morning of. The last page can be a letter from the groom