{% load thumbnail %}

<ul class="thumbnails">
    {% for obj in  cat.list %}
            <li class="span2">
                <a>
                    {% thumbnail obj.images "136x194" crop="center" as im %}
                        <img src="{{ im.url }}" width="{{ im.width }}" height="{{ im.height }}" alt="{{ obj.nome }} {{ obj.cognome }}" class="thumbnail-coristi"/>
                    {% endthumbnail %}
                </a>
                <br>
                <p>{{ obj.nome }}<br/>{{ obj.cognome }}</p>
            </li>
    {% endfor %}
</ul>