This can be a roomful of hay (or shredded paper, paper leaves, anything) with small objects hidden, or more like a bin as pictured. Trick-or-treat baskets or pumpkins would be cute too.
50 Fun and Festive Halloween Party Decoration Ideas
Fun and cheap Halloween decorations Spirit Jugs
DIY Photo Booth for a Harvest Party-pumpkin and scarecrow
Easy DIY Trashbag Spiderweb Tutorial -- Fun video and lots of step-by-step photos! Perfect for Halloween fall fest
Cook noodles, drain, coat in oil, mix in food dye
Bloody Red Velvet Cupcakes- The Little Epicurean
I remember these as a kid! These lolly pop ghosts are SO CUTE! They're super easy and make a fun treat for a Halloween party or to send to school on Halloween!