Well, it turns out that PostXING's mystery plugin author is none other than Taras Naumtsev, and Taras is on fire! Check out the new MetaPinger plugin:
MetaPinger is a PostXING plugin that notifies a number of services that keep track of
weblogs and publish them. By pinging, you let the services know that your blog has been updated ,
they crawl your blog, publishing your site contents, thus increasing your blog's popularity.
Extract the ZIP archive into the "plugins" subdirectory of PostXING's install directory
You will need to configure MetaPinger plugin to notify ping services.
Enter blog name.
Enter blog url.
Add ping service urls ( one per line )
To ping press the "Ping" button.
MetaPinger has been tested with the following ping services:
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