supertux/data/images/objects/torch/flame_light.sprite

(supertux-sprite
  (action
    (name "default")
    (hitbox 357 384 384 384)
    (images "flame_light.png")
  )
  (action
    (name "greyscale")
    (hitbox 357 384 384 384)
    (images "greyscale/flame_light.png")
  )
)