Just in case he doesnt come back for a bit you can use this until someone has something better
RewriteEngine on
RewriteCond %{HTTP_REFERER} !^http(s)?://([a-z0-9-]+\.)*canadafreeporn.com [NC]
RewriteRule .*[Jj][Pp][Ee]*[Gg]$|.*[Gg][Ii][Ff]$
http://www.canadafreeporn.com/error.gif
RewriteCond %{HTTP_HOST} .
RewriteCond %{HTTP_HOST} !^www\.pornogallerypost\.com [NC]
RewriteRule (.*) http://www.canadafreeporn.com/$1 [R=301,L]
ErrorDocument 404
http://www.canadafreeporn.com
you can make error.gif a little gif picture that says
"visit canadafreeporn.com"
or something like that.