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    <span itemprop="thumbnail" itemscope itemtype="http://schema.org/I
+mageObject">
        <link itemprop="url" href="http://blahblah.org/video/thumbnail
+_23432230.jpg">
        <meta itemprop="width" content="1280">
        <meta itemprop="height" content="720">
    </span>

    my $div = scraper {
      process 'span[itemprop="thumbnail"] > link', url => '@href';
...
    my $res = $div->scrape( $html );

    $url = $res->{url};