'tree' stick into a biscuit cube (with pre-baked skewer hole). Weigh down with marzipan/strong icing and stick to serving tray (or they could be stuck in creatively covered foam bases).
Hot Ham and Cheese Party Rolls - kitchenshares
Muffin-Roses - Pinning this just for the idea. I would love to try making these rolls with a ball of boudin inside or some jalapeno cheese sausage .mmmm(How To Make Recipes)
Stuffed alligator bread (or cake?) - caption was in Russian;