Google News sitemap does not generate with autoblogged posts

We're using the autoblogged plugin on our Wordpress site to post articles from our writers' RSS feeds. We have two sitemap plugins, one for the regular site and one for Google News. The regular sitemap automatically generates a sitemap correctly whenever a post is published, regardless if it's through autoblogged or if it's created manually. The Google News sitemap only generates a sitemap when I manually create, update or delete a post. I need the plugin to generate automatically whenever a post is created -- both manually and automatically through the autoblogged plugin. I can send you the plugin ZIP file -- I need the PHP code modified slightly so it works correctly. Thanks!