Python script that will convert a given image into tiles.

tileCutter.py

import Image
import sys

image = Image.open(sys.argv[1])
tile_width = int(sys.argv[2])
tile_height = int(sys.argv[3])
zoom_level = sys.argv[4]

if image.size[0] % tile_width == 0 and image.size[1] % tile_height ==0 :
    currentx = 0
    currenty = 0
    while currenty < image.size[1]:
        while currentx < image.size[0]:
            print currentx,",",currenty
            tile = image.crop((currentx,currenty,currentx + tile_width,currenty + tile_height))
            tile.save("x" + str(currentx) + "y" + str(currenty) + "z" + zoom_level + ".png","PNG")
            currentx += tile_width
        currenty += tile_height
        currentx = 0
else:
    print "sorry your image does not fit neatly into",tile_width,"*",tile_height,"tiles"