SetEnvIfNoCase Referer "^http://www.t3systemsinc.com/" locally_linked=1
SetEnvIfNoCase Referer "^http://www.t3systemsinc.com$" locally_linked=1
SetEnvIfNoCase Referer "^http://t3systemsinc.com/" locally_linked=1
SetEnvIfNoCase Referer "^http://t3systemsinc.com$" locally_linked=1
SetEnvIfNoCase Referer "^$" locally_linked=1
<FilesMatch "\.(gif|png|jpe?g)$">
  Order Allow,Deny
  Allow from env=locally_linked
</FilesMatch>