Figuring out how to paint the House Clegane heraldry

One challenge facing me as I attempt to paint Game of Throne's Ser Gregor Clegane is to find a way to paint the House Clegane heraldry in miniature form. With that in mind, I sought inspiration from three main sources - a vector design of the official heraldry, a picture of Ser Gregor on HBO Watch and an actual miniature painting by Jen Haley which was done for Dark Sword Miniatures. House