Options +FollowSymlinks

RewriteEngine On
RewriteOptions inherit
RewriteCond %{HTTP_REFERER} !(genmay\.com|^$).*$ [NC]
RewriteCond %{REQUEST_URI} !^/redx.gif [NC]
RewriteRule .*\.(jpg|JPG|gif|GIF|png|PNG|jpeg|JPEG)$ http://www.hostriot.com/redx.gif [R]