ujim

Применил как
location ~* ^.+\.(jpg|jpeg|gif|png|bmp|ico|swf|html|htm|css|js)$ {
rewrite ^/([^/]*)/([^/]*)/(.+\.(jpg|jpeg|gif|png|bmp|ico|swf|html|htm|css|js))$ /$1/$3 last;
root /home/example;
access_log off;
expires max;
}