I get a lot of errors in my apache logs when crawlers go throught the podpress dir.
I just thought it might be a good idea for you to add this bit of code to your plugin so that robots would not crawl your plugin dir:
function disallow_podpress_in_robots() {
echo "\nDisallow: " . plugin_dir_url(__file__) . "\n";
}
add_action('do_robots', 'disallow_podpress_in_robots');