Hey Hey!
I am loading the big 4 (fb, twitter, pinterest, g+) in the loop and all are loading fine except pinterest which only loads on the first post.
I have the exclude from except option checked and I am inserting the buttons via the do_shortcode function.
Here is what I am seeing: http://eastwesthealing.com/metabolic-health-blog/
Mike
http://wordpress.org/extend/plugins/really-simple-facebook-twitter-share-buttons/