Well, there are so many options. One of them is a skeleton mask. You can fill it with paper or anything to have the shape and pin them in place inside the wreath. A Skeleton toy. Same as before, make sure it fits and then pin them in place or secure with wire or yarn. A plastic skeleton head. You can wrap it in back fabric or black creepy cloth and then secure it inside the wreath. Alternatively, you can use other type of decoration, Witch hats, jack-o lanterns, and so much more.