How to make a lawn ghost - this is a really inexpensive and adorable idea for Halloween lawn decorations. I might have to add faces to mine, but I'm thinking of something like this for my lawn this year.
25 Outdoor Halloween Decorations for Your Own Haunted House
Mummy-head statues To make them, decoupage head forms with strips of white muslin (a great use for old sheets) and then scuff them up by rolling them around in the yard. Hot-glue the heads to wood posts and add bits of raffia.