I found a script for .htaccess to protect against the use of pictures on another site, but for some reason this script does not work and does not steal.jpg picture steal.jpg . Here is an example http://www.draw-art.ru/photoshop/nature/14/2.jpg . Created a html page on a computer with this address and this page was displayed.
Options +FollowSymlinks #Запрещаем загрузку файлов с внешних сайтов RewriteEngine On RewriteCond %{HTTP_REFERER} !^$ RewriteCond %{HTTP_REFERER} !^http://(www.)?draw-art.ru/ [nc] RewriteRule .*.(gif|jpg|png)$ http://draw-art.ru/img/steal.jpg[nc]