You have created a nice plug-in indeed, and thank you very much!
I was wondering if it was possible to manipulate the plug-in on either the dashboard/settings page, or the shortcode on the individual page to accomplish the following: I want to have the FB Share button bring up a slightly different version of the page than the one of origin. For example, I have a page (named http://mysite/signup) that has the FB Share button on it. When someone clicks on the button, I wish for their friends to see the "B" version of the page on the timeline (http://mysite/signup-b). This will permit me to track results of how many are coming in from the "A" page and how many from their Facebook friends, who would see the "B" version.
I did try to manipulate the link setting on the settings page from http://www.facebook.com/sharer.php?u=%%url%%&t=%%title%%
but had no success (I named my pages exactly as shown above, with a "hyphen b" named page for the "B" version)
I have several pages on my site, each with a "B" version that I want Facebook shared.
Is this possible?