Balloons taped to a wall to resemble by bubbles. This would be awesome at a bridal shower or another kind of party with a champagne bar. Love this idea! Use pearlescent colors for an adult party and primary colors for a kids' party.
Birthday or anniversary party idea - have a wine bottle guest book. Bring a special bottle to a party with silver and gold sharpies, leave the decorated bottle behind for the guest of honor. Save a wine bottle from your wedding and use at anniversary