"Six Barbies, two cans of primer, two cans of Stone paint, four bags of feathers, less than half a yard of fabric, (a Dremel), miles of hot glue, and a shit-ton of patience." The result: Weeping Barbie Angels.
Trashswag is a crowdsourced map for people to share and post reusable materials that they spot left outside. It is a resource for creative hobbyists, artists and people conducting renovation works to find unique, salvageable old wood, windows, doors, metal, glass and furniture. So far I think it's mostly Toronto and Montreal but is expanding to other areas.
Enrich your Halloween experience with some seasonally appropriate art: the whimsical and charming SkeleCANS (flapjax recommends: slideshow viewing) from New Orleans' indefatigable Skeleton Krewe.