Beautiful center pieces or just around the house- rocks, flower of your choice (maybe string it to a rock by the stem so it doesn't float) in a vase, fill with water, add small candle and voila-on the mantle?
Wodnerful DIY Unique Floating Candle Centerpiece With Flower
Image detail for -autumn-leaves-wedding-centerpiece. Even though this is a wedding centerpiece, I like it for a Rall centerpiece or Thanksgiving. It is inexpensive. Most people have a hurricane and leaves right outside their door.
Paper lanterns as light-up centerpieces--inexpensive idea. Slip a Vase in the middle of each lantern and add flowers of choice. OR just adhere silk flowers to top edge of lantern.Put BATTERY OPERATED CANDLES/lighting inside and around each lantern.