{block:Photoset}
    <div class="P">
        <div class="PG photoset-grid" data-layout="{PhotosetLayout}" data-id="photoset{PostID}" data-layout="{PhotosetLayout}" data-id="photoset{PostID}">
            {block:Photos}
                <imgsrc="{PhotoURL-HighRes}"{block:HighRes}data-highres="{PhotoURL-HighRes}"{/block:HighRes}{block:Caption}alt="{Caption}"{/block:caption}/>
            {/block:Photos}
        </div>
    </div>
{/block:Photoset}