Floating Flower Tip - Most flowers float pretty well on their own until they start to pool with water and slowly sink. For a longer lasting centerpiece, use bubble wrap to make little skirts for your flowers.
Here's an easy decorating idea to use as your centerpiece or to give as a hostess gift this Thanksgiving! Place a Pillar candle inside a glass container. Surround the candle with such as acorns, chestnuts or pine cones.