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

(supertux-sprite
  (action
    (name "default")
    (fps 16)
    (hitbox -2 30 14 128)
    (images "flame_glow1.png"
            "flame_glow2.png"
            "flame_glow3.png"
            "flame_glow4.png"
            )
  )
  (action
    (name "greyscale")
    (fps 16)
    (hitbox -2 30 14 128)
    (images "greyscale/flame_glow1.png"
            "greyscale/flame_glow2.png"
            "greyscale/flame_glow3.png"
            "greyscale/flame_glow4.png"
            )
  )
)