supertux/data/images/particles/sparkle.sprite

(supertux-sprite
  (action
    (name "small")
    (images 
      "sparkle-0.png"
      "sparkle-1.png"
      "sparkle-0.png"
    )
  )
  (action
    (name "dark")
    (images 
      "sparkle-dark-0.png"
      "sparkle-dark-1.png"
      "sparkle-dark-0.png"
    )
  )
  (action
    (name "medium")
    (images 
      "sparkle-0.png"
      "sparkle-1.png"
      "sparkle-0.png"
      "sparkle-1.png"
      "sparkle-0.png"
    )
  )
)