import Image
tom = Image.open('C:\\Documents and Settings\\Owner\\My Documents\\My Pictures\\mars\\REAL.jpg')
slicesize = (tom.size[0]/9) - 21
ysize = tom.size[1]
for i in range(9):
    tom2 = tom.crop(((i * slicesize) - 1, 0, (i * slicesize) + slicesize, ysize))
    tom2.save('C:\\Documents and Settings\\Owner\\My Documents\\My Pictures\\mars\\realscrap' + str(i) + '.bmp')