If you don't have a fireplace, but still want to hang stockings and decorate a mantel, you can craft one out of cardboard! Using cardboard display boards (ones students use for science projects), you can build a realistic (and lightweight) fireplace.
Snowman Wrapped candy bars - Wrap a full sized chocolate bar with white wrapping paper and draw on the faces. For the earmuffs, use a black pipe cleaner and pom poms. Use buttons or black puffy paint and a cute ribbon and tag to complete the look.