Take 4 canvases of each size), paint them a solid base color and add vinyl or stenciled design. stick decals onto canvases, paint the whole thing and then remove the stickers to reveal the wonderful artwork!
Window Dressing: Attach lengths of nylon filament to the window frame with a pushpin, and suspend the ornaments. To make the glittery DIY snowballs, cover a styrofoam sphere with styrofoam glue and shredded Mylar and let dry before hanging.
Cute Halloween door idea ~ Bat-Filled Front Door These felt bats are easy to make and ensure your house looks extra spooky. All you need to do is trace a bat shape onto a piece of felt and cut it out. Repeat until you have a swarm of them.
Pumpkin in a lace stocking. I've planted a bunch of mini white pumpkins. White lace stockings on them might be a nice outdoorsy Autumn touch. Inexpensive and kinda unexpected. These might be cute on the outside tables under the arbor too.