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.
Take large square boxes, add paint colors and letters vertically to spell child's name, insert storage cubes/baskets on inside for baby's stuff- adorable, crafty, space saver & organizer! (glue or nail in place so they can't tip over) nursery-ideas
Helping Little Hands: Double Layered No-Sew "Braided" Fleece Blanket Tutorial. Used this tutorial to make fleece blankets. It's a nice option to tying fleece blankets to not have the tied edges flapping in your face when you go to use the blanket.