supertux/data/images/objects/weak_block/strawbox.sprite

(supertux-sprite
  (action
    (name "normal")
    (images 
      "straw.png"
    )
  )
  (action
    (name "burning")
    (images 
      "straw_01.png"
      "straw_02.png"
      "straw_03.png"
      "straw_04.png"
      "straw_05.png"
      "straw_06.png"
    )
  )
  (action
    (name "disintegrating")
    (images 
      "straw_07.png"
      "straw_08.png"
      "straw_09.png"
      "straw_10.png"
      "straw_11.png"
    )
  )
)