RewriteEngine on
RewriteCond %{HTTP_REFERER} !^http://(.+\.)?site-adresiniz\.net/ [NC]
RewriteCond %{HTTP_REFERER} !google. [NC]
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !search?q=cache [NC]
RewriteCond %{REQUEST_URI} !^/uyariresmi.jpg$
RewriteRule .(png|gif|jpg|swf)$ /uyariresmi.jpg [NC,L]