Syndicate Using Autoblog?

Is there a way to set up either a theme or the autoblog plugin so that on the main index when a syndicated post is displayed the read more link links to the original article (on the original blog) rather than the post created on the main syndication blog? Or is there a better way of pursuing this and I am going down the wrong path?

I was thinking I might be able to edit the theme file so that the link points at the original rather than the new post created with the plugin. Thank you for your help.