riff_site/themes/bootstrap3/templates/slides.tmpl

<%block name="content">
<div id="${carousel_id}" class="carousel slide">
    <ol class="carousel-indicators">
    % for i in range(len(slides_content)):
        % if i == 0:
            <li data-target="#${carousel_id}" data-slide-to="${i}" class="active"></li>
        % else:
            <li data-target="#${carousel_id}" data-slide-to="${i}"></li>
        % endif
    % endfor
    </ol>
    <div class="carousel-inner">
        % for i, image in enumerate(slides_content):
            % if i == 0:
                <div class="item active"><img src="${image}" alt="" style="margin: 0 auto 0 auto;"></div>
            % else:
                <div class="item"><img src="${image}" alt="" style="margin: 0 auto 0 auto;"></div>
            % endif
        % endfor
    </div>
    <a class="left carousel-control" href="#${carousel_id}" data-slide="prev"><span class="icon-prev"></span></a>
    <a class="right carousel-control" href="#${carousel_id}" data-slide="next"><span class="icon-next"></span></a>
</div>
</%block>