supertux/data/images/objects/bonus_block/brick.sprite

(supertux-sprite
      (action
        (name "empty")
        (surfaces
        (surface
        (diffuse-texture (file "empty.png"))
        (displacement-texture (file "displacement.png")))))

 (action
  (name "normal")
  (images "../../tiles/blocks/brick0.png"))

 (action
  (name "piece1")
  (fps 1)
  (images "../../tiles/blocks/brick_piece1.png"))

 (action
  (name "piece2")
  (fps 1)
  (images "../../tiles/blocks/brick_piece2.png"))

 (action
  (name "piece3")
  (fps 1)
  (images "../../tiles/blocks/brick_piece3.png"))

 (action
  (name "piece4")
  (fps 1)
  (images "../../tiles/blocks/brick_piece4.png"))

 (action
  (name "piece5")
  (fps 1)
  (images "../../tiles/blocks/brick_piece5.png"))

 (action
  (name "piece6")
  (fps 1)
  (images "../../tiles/blocks/brick_piece6.png"))
 )