31 Impossibly Fun Wedding Ideas: instead of a kids table include a small bucket of crayons and coloring books on each table, with a sign that says "for kids and adults who love to color". Or something similar to that phrase:) kids area, let them be free!
Create an advice wall/book/collection. Ask lots of older married couples for tips and thoughts helpful throughout marriage. Record them all. Every anniversary, read through them and see the new purposes and relevance they hold in your marriage.