A couple of weeks ago we took a walk down the yellow brick road to see how the Lion, the Tinman and the Scarecrow were doing.  The three of them had a solid base coat of verdigris on them and they march towards the fabled city of Oz.  Along the way they murdered a few flying monkeys, midgets and witches from which they used their blood to paint their armour.  Now coated in a rich vibrant