Tree Stump Planters What might now be an eyesore, can be a beautiful and natural flower pot. Use a chisel and hammer to carve out the middle of a tree stump or log, fill with soil, and then plant flowers of your choice.
Pine Cone Mulch - an attractive border and practical way to keep dogs out of your garden beds. As they breakdown, they will add nutrients to your garden too. Pine cones also look great as a decorative mulch for container gardens.
Recycle fallen trees into pavers! These would be good ideas as long as you realize the short shelf life of cut wood when exposed to outdoor elements. Too much work for such a short-lived project to my way of thinking!