Python-сообщество

import Tkinter, Image
from PIL import ImageTk

FILENAME = "001.jpg"
tk = Tkinter.Tk()
c = Tkinter.Canvas(tk, width=500, height=500)
#c.pack(expand = YES, fill = BOTH)

src_img = Image.open(FILENAME)

img = ImageTk.PhotoImage(src_img)
c.create_image(0, 0, image=img, anchor="nw")

def callback(event):
 что здесь должно быть?
 print repr(undermouse)

c.bind("<Button-1>", callback)
c.pack()
Tkinter.Label(tk, text=FILENAME).pack()
tk.mainloop()