The pumpkins, acorn and fall leaves are made out with gumpaste. I actually didn't have fall leaves cutters, so I used my small fall cookie cutters. For the leaves, I colored the gumpaste in shades of brown and orange, then I dust them with green lusted dust.
Can you see in this picture how shiny the pumpkins are? Well I use a steamer on them! They end up with a great shine.