1) Is there some way to turn off the little Tk logo that appears on the caption bar? I'm sure it is not a significant issue for an end user to see it, but why have it on a production application if one can avoid it?

This won't turn it off, but will replace the logo with one of your own, which might be blank to achieve the 'turned off' effect. In place of the -file attribute, one can use the -data attribute to use an xbm bitmap defined somewhere in your script.

Here's a snippit of non-standalone code as an example.

$mainwindow->Icon(
    -image => $mainwindow->Pixmap(
        -file => 'c:/perl/site/lib/tk/Dubya.xpm'
        ),
    );
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