These elegant trees are so versatile -- you can make them in a variety of sizes and with almost endless decorating possibilities -- they'll fit in any (or every!) room in your house.
Roll the paper or poster board into a cone shape (make sure the hole at the tip is less than 1/2 inch wide), then tape the seam and trim the bottom so that it's even.
Decorate the cone by hot-gluing small ornaments, garlands, fake jewels, or ribbons to it. (If you're using bulb ornaments, glue the top of the ornament, rather than the bulb itself, to the cone for a stronger hold.) Let the glue dry.
Stand the dowel in the bucket and fill the bucket with enough rocks to keep the dowel upright. Cover the rocks with the cotton batting, then set the paper cone atop the dowel.