Classic: Skeleton + Pumpkins
New and improved: Decayed Urn + Owl
The idea is GROUPING items together. Hanging the skeleton is old news, but have it sitting with a pumpkin in his lap = much creepier! Add some lights (orange or purple) so the display can be seen at night. Oh, and did you notice those cool candle lights??
I'll always love the classic Jack o'lantern, but these add another level of awesome when carved and painted! Instead of cutting a hole in the top, cut out the bottom. Standard carving tools will work great for this. Paint your stencil and then start carving! But be careful not to carve all the way through.
Mummies! If done well, mummies can really add that extra scare to your halloween decor. Don't have a mannequin lying around? No problem. These were made using T-shaped plywood, muslin, batting, and a foam wig head. You can purchase the heads at Sally's Beauty Supply for just a few dollars! (Don't worry if your house doesn't look like this one.)
Scrounge your local department stores to find some tossed mannequin legs for this project. Add some striped pantyhose and black shoes, and you're in business!
Wreaths can let your guests (or victims) know what's in store for them. Wreath base + cheesecloth (or bandages)! Add some black ribbon and the skeleton hands. Be creative and make it your own ;)