Tkinter: How can I update an image display?

[Paul Rubin]

Terry Carroll <carroll at nospam-tjc.com> writes:
> I trimmed it down to a basic app indicating the problem and the code
> is at the end of this message.  It should display the three listed
> sample images, one after another.
> 
> The thing is, if I uncomment the raw_input call, it works.  But I
> don't want to have to hit ENTER after each image.

Try using root.update()?