I always thought that the Elvenking's crown changing with the seasons was such a cool idea. But the only one we've seen on-screen is his autumn crown. Design his "crown of woodland flowers" for spring, or a different one for summer or winter! Can be inspired by the style of the movieverse autumn crown, or can be in a completely different style; go wild and design it however your heart desires!
Art Prompt: Thranduil's Summer, Spring, or Winter crown