Waste of time and energy.
Only way is have your own blog/site and post your articles there!
And let other authority sites pick the articles they like to link to.
I think article marketing will be effective for SEO if one unique, interesting, and quality content is submitted to high pr ranking article submission site like Ezine. Which means every unique content must be submitted in every reputable article sites.
Matt Cutts recently announced that they are going after guest blogging.
"Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a well-armed lamb contesting the vote." -- Benjamin Franklin