Well, they need a reason to revisit that page. This is done through citations, dofollow backlinks, new links to that article from different places where the spiders can revisit it from.
Also whats your blogs post comments activity like? The new discussion creates new content that the spiders can crawl and index so you need to work on that side of it too.
What about posting completely new content?
Could submit your RSS feed to RSS submit sites/services.
How do you go about doing this Ron?
Do you just mass submit your sites RSS feed url to loads of rss submission sites all at once?
Or do you specially handpick them and do them one at a time?
Do you burn your feed url with feedburner or something and submit that or use the actual xml file instead?