well if its only files over a certain file that can not process check to ensure your host does not have LimitBodyRequest set to not allow files uploaded over a certain size in the apache configuration or php.conf setup
Now donotdelete I would suggest these changes as it is not passed to bulkupload
IN uploadphoto.php add in bold
Code:
Content visible to verified customers only.
In the calls to forward to bulkupload.php add in bold as well
Code:
Content visible to verified customers only.