gistfile1.php

<?php
$ids = array(
    '1217330732',
    '1196052839',
    '1191016305',
    '1114782154',
    '1182842477',
    '1160202787',
);

foreach ($ids as $id) {
    $xml = @simplexml_import_dom(DOMDocument::loadHTMLFile("http://www.b-idol.com/read.cgi/bbs/$id/"));
    echo "starting $id :\n";

    foreach ($xml->xpath('//a[@target="photo"]//img') as $photo) {
        $photo_url =  str_replace(array("../", "s00"), array("", "00"), $photo->attributes()->src);

        $photo_url = "http://www.b-idol.com/" . $photo_url;
        $file_name = $id . "_" . basename($photo_url);
        echo " " . $photo_url ." ... ";

        if (!file_exists($file_name) || filesize($file_name) == 0) {
            file_put_contents($file_name, file_get_contents($photo_url), FILE_BINARY);
            echo " done.\n";
        }
        else {
            echo " skipped.\n";
        }
    }
}