#images_sample.py
from Tkinter import *

def addGraphicalButton(parent):
   # Create the PhotoImage widget
   im = PhotoImage(file='cake.gif')

   #button2 = Button(root, text="Potato")
   button2 = Button(root, text="Potato", image=im)
   button2.image = im
   button2.pack()
    

root = Tk()  # Create the root (base) window where all widgets go

# Create the PhotoImage widget
im = PhotoImage(file='cake.gif')

# Add the photo to a label:
w = Label(root, image=im) # Create a label with image
w.image = im # Always keep a reference to avoid garbage collection
#w.pack() # Put the label into the window

myButton = Button(root, text="Exit", command=root.destroy)
myButton.pack()

addGraphicalButton(root)

root.title("This is image sample")
root.mainloop() # Start the event loop