supertux/data/images/objects/resetpoints/bell.sprite

(supertux-sprite
 (action
  (name "normal")
  (x-offset 0)
  (y-offset 0)
  (images "bell-m.png")
 )
 (action
  (name "ringing")
  (images
   "bell-l_0.png"
   "bell-l.png"
   "bell-l_0.png"
   "bell-m.png"
   "bell-r_0.png"
   "bell-r.png"
   "bell-r_0.png"
   "bell-m.png"
  )
 )              
)