DIY mounted foam-core deer head - I hate cutting foam-core and it's expensive. I'll buy some 2'x4' sheets of foil backed foam boards (in the insulation section) at Home Depot for around $2.50 each. These are really easy to cut using one of those Olfa break-off tip type cutters.
Also on these boards
foam core magnetic fridge frames
DIY Light Up Marquee Star - made from foam board!