To make it easy to find and keep track of the articles that have been submitted, I put up a wiki page at Wiki4D:

http://prowiki.org/wiki4d/wiki.cgi?Article_Contest

I added all the submissions I'm aware of. Sorry if I missed any.

I think this was a submission too: http://octarineparrot.com/article/view/getting-more-fiber-in-your-diet