I put together an example centerpiece/tablescape since I'm collecting most of these items and need to figure out how much more I need. These are just placeholder flowers that I cut from my backyard. My colors are periwinkle blue and spring green with accents of blush pink, so use your imagination to replace the pink roses with hydrangeas and peonies. The tables at my venue are about three feet longer, so it would be more spread out than what you see.
Here's a close-up of the middle. I'm thinking of using burlap instead of the blue runner pictured.
As you can see, I'm going for a vintage/rustic feel. The tables are named by classic children's books. This one is The Hardy Boys. Any thoughts?