Chain Armour = Normal armour made of cobble.
Leaves = Oak Saplings in a 3x3 block.
Dragon egg = Air, Obsidian, Air on top then Nether Star, Emerald, Nether Star, then Obsidian, Obsidian, Obsidian.
Sponge = Glowstone, Glowstone, Glowstone, Glowstone, water bucket, Glowstone, then, Glowstone, Glowstone, Glowstone.
Fire = Air, Wood, Air, then, Air, FireCharge, Air, then Air, Air, Air
Sadle = Leather x3, then Iron ingot, air iron ingot, then air x 3