Mine

$HTTP["host"] =~ "(^|\.)xteve\.com$" {

    fastcgi.server = (
        "/xteve.fcgi" => (
            "main" => (
                "socket" => "/www/xteve/xteve.sock",
                "check-local" => "disable"
                )
            )
    )

    alias.url = (
        "/media/" => "/www/xteve/media/",
    )

    url.rewrite-once = (
        "^(/media.*)$" => "$1",
        "^/favicon\.ico$" => "/media/favicon.ico",
        "^(/.*)$" => "/xteve.fcgi$1",
    )

}