To expand on this there exists three geometry mangers [grid, pack, place]. I personally use pack() the most, grid() almost never, and place -- well never. But each one has it's strengths and weaknesses.
w.grid() http://effbot.org/tkinterbook/grid.htm w.place() http://effbot.org/tkinterbook/place.htm Everything you need to know about Tkinter exists here: http://effbot.org/tkinterbook/ and at the NMT site i showed you before -- http://mail.python.org/mailman/listinfo/python-list