supertux/data/images/particles/corrupted_rock.sprite

(supertux-sprite
  (action
    (name "piece-0")
    (hitbox 0 0 8 8)
    (images 
      "corrupted_rock-0.png"
    )
  )
  
  (action
    (name "piece-1")
    (hitbox 0 0 10 10)
    (images 
      "corrupted_rock-1.png"
    )
  )

  (action
    (name "piece-2")
    (hitbox 0 0 16 16)
    (images 
      "corrupted_rock-2.png"
    )
  )

  (action
    (name "piece-3")
    (hitbox 0 0 8 8)
    (images 
      "corrupted_rock-3.png"
    )
  )

  (action
    (name "piece-4")
    (hitbox 0 0 10 10)
    (images 
      "corrupted_rock-4.png"
    )
  )
)