An idea off the top of my head, rather than using iframes...
Step 1: build a blog farm
Step 2: interlink, cross-promote, etc to drive traffic to blogs
Step 3: submit articles to AC, and get approved
Step 4: create a post that contains the first paragraph of your article, and include a permalink to the article on AC... post this (via rss2blog or your favorite autoblogger/mass blogger tool) to all of the sites in your blog farm that are relevant, and make it look like an excerpt.
Those sites would all update with this new post, and anyone who clicked on the "read more" link from any of the related sites, would go to AC and see the rest of the article. You could format the post any way you wanted, I would probably use something like "While browsing for blah blah blah this morning, I came across this fantastic article.. Enjoy!" and then have the excerpt pasted below, with the link to the AC article. If you wanted to get more technical, you could whip up a php script to randomize the "intro" text for each blog..
One last thing, you could set the blog's RSS feed to post on a Squidoo lens as well.. I like using a feed tool to combine a post feed with the comments feed for use with Squidoo, to make it look like the lens is being updated more often. If you promote the blog farm enough, you could drive a bunch of traffic to your AC articles.. not to mention revenue from adsense/etc and cpa banners & links as well.
edit: One last thing.. I use AutoSocialPoster on my niche blogs as a traffic booster.. if you're posting multiple copies of the same excerpt text to your blogs however, you'd want to use the ASP plugin only on the most popular blog.