nginx configuration snippet for dynamic image manipulation using HttpImageFilterModule

nginx.conf

/*
 * nginx configuration snippet for dynamic image manipulation using HttpImageFilterModule
 * 
 * URL example: http://www.yourserver.com/imgresize/250-100-0/demo.jpg
 * Parameters are width-height-rotation
 * You need to compile nginx with --with-http_image_filter_module 
 * More information at http://wiki.nginx.org/HttpImageFilterModule
 */
location ~/imgresize/(?P<width>[0-9]+)-(?P<height>[0-9]+)-(?P<rotate>[0-9]+)/(?P<filename>.+)$ {
    rewrite /imgresize/[0-9]+-[0-9]+-[0-9]+/(.+)$ /images/$1 break;
    image_filter resize $width $height;
    image_filter rotate $rotate;
}