Дороботка модуля вывода топовых новостей (кеширование картинок)

<?php 
$sql_result = $db->query( "SELECT id, title, date, alt_name, category, short_story, flag FROM " . PREFIX . "_post WHERE approve='1' ORDER BY rating DESC LIMIT 0,12" );
while ( $row = $db->get_row()){$row['date'] = strtotime( $row['date'] );
$row['category'] = intval( $row['category'] );
    if( $config['allow_alt_url'] == "yes"){if( $row['flag'] and $config['seo_type']){if( $row['category'] and $config['seo_type'] == 2 ){$full_link = $config['http_home_url'] . get_url( $row['category'] ) . "/" . $row['id'] . "-" . $row['alt_name'] . ".html";
        }else{$full_link = $config['http_home_url'] . $row['id'] . "-" . $row['alt_name'] . ".html";
            }}else{$full_link = $config['http_home_url'] . date( 'Y/m/d/', $row['date'] ) . $row['alt_name'] . ".html";
            }}else{$full_link = $config['http_home_url'] . "index.php?newsid=" . $row['id'];}$title = substr( $row['title'], 0, 23 ) . "...";
$short_story = substr( strip_tags($row['short_story']), 0, 21 )."...";
$shortnews = $row['short_story'];

preg_match_all( '#<img[^>]*\\ssrc=(\'|")(.*?)\\1.*?>#i',$shortnews,$total);

echo('<dl><dt><a href="'.$full_link.'"><span>');

foreach( $total[2] as $image ) {

echo('<img src="'.$image.'"');

list($width, $height)=getimagesize($image);
$size=25;

if($width>$height) {
    echo(' height="'.$size.'" alt=""/>');
}

if($height>$width) {
    echo(' width="'.$size.'" alt=""/>');
}

if($height==$width) {
    echo(' height="'.$size.'" width="'.$size.'" alt=""/>');
}
    }echo('</span></a></dt><dd><a href="'.$full_link.'" class="toplink">'.$title.'</a><p><a href="'.$full_link.'">'.$short_story.'</a></p></dd></dl>')
;}
// 3.0
?>