1. Mixed Glass Centerpiece

Grouped together on a tray and filled with leaves and flowers, weathered bottles and jars make an easy table dressing. "In quantity, simple vessels can look so dramatic," says Seo. 1. Collect your own bottles of various shapes and sizes over time (mustard jars, perfume bottles, and jelly jars all work well) or salvage some for just pennies at thrift stores. 2. Randomly fill some of the containers with leaves and flowers and place them on a serving tray or platter, packing the jars tightly together. Cost: $0