Okay but what is so different about your site this is what we need to find out.
Link to your phpinfo?
Your the only person who is posting this issue and your posting it with both products
The thread you trailed on in Photopost support forum has nothing to do with the issue your having specifically
The issue also is when I got to your photopost site I dont have an issue
You can email me admin login and ftp information to your sites and I can take a look