Gold and glitter wine bottles as the table centerpieces for weddings or corporate event. Black and gold Great Gatsby style table cards with white carnations, gold mirror plates and gold glitter votive (Gold Bottle Centerpieces)
Lazy Jack-O'-Lanterns: 11 Creative Ways to Decorate a Halloween Pumpkin Without Carving
Pumpkin in a lace stocking. I've planted a bunch of mini white pumpkins. White lace stockings on them might be a nice outdoorsy Autumn touch. Inexpensive and kinda unexpected. These might be cute on the outside tables under the arbor too.