Cute edible Halloween decorations Graham cracker covered with chocolate icing. Candy corn placed around edge to form a fence. Black licorice to pull apart & make a tree. Place a few candy pumpkins around the tree.
Susie Harris: DIY Painted Pumpkins - DIY Faux Painted Pumpkins - How to turn those cheap plastic orange (mark down) pumpkins into stylish expensive looking decor - great tutorial with detailed steps including the paint colors she used to achieve the look.
Making plastic pumpkins look more real: Use Burnt Umber paint. Water the paint down just a little, and brush onto your pumpkin. Then take a damp rag or paper towel and gently wipe up and down your pumpkin.