acegroupnyc: several probs with your CSS for single-post pages:
There's no image at that address
-- The background-xxx overrides in your #page rules are not prevailing over existing !important rules. You will need to understand those, and add !important to yours as needed.
--Your .widecolumn rule has very large left margin that's pushing div#content right
Hopefully you're using something like firebug. If not, see here: