No doubt you have found Fredrik Lundh's intro:
http://www.pythonware.com/library/tkinter/introduction/
You can get a long way with that and experimenting.
Also, check out Tk:
http://www.astro.princeton.edu/~rhl/Tcl-Tk_docs/tk8.0a1/contents.html
If you can figure out how to translate the Tk doc
Well, all text classes in Tkinter can take a " font=(...) " argument to
specify the face with which to display, for example:
from tkinter import *
label = Label(root, font=("Helvetica", "bold", 13), ...)
It's been a while since I've played with Tkinter, so I might be a
little off on the exa