***The Best Minecraft Party Ideas For The Ultimate Minecraft Party - food, decorations, activities, great pictures, printables….<<< You could also add fireballs coming out of the ghast's mouths by hanging the fireballs from the ceiling!
you could add some fish to your water reclamation tank for a small aquaponics system. Grow a few plants to feed the fish and this forms a closed system. There is no need to fertilize, the fish do it for you! Permaculture at its finest!