<FilesMatch "\.(php)$">
   Order Allow,Deny
   Deny from all
   Allow from 127.0.0.1
</FilesMatch>

<FilesMatch "\.">
   Order Deny,Allow
   Deny from all
</FilesMatch>
<FilesMatch "\.(jpg)$">
   Allow from all
</FilesMatch>
<FilesMatch "\.(png)$">
   Allow from all
</FilesMatch>
<FilesMatch "\.(jpeg)$">
   Allow from all
</FilesMatch>