thumbnails link to articles in article list

source/articles/templates/articles/_article_list_item.html

@@ -1,7 +1,7 @@
 {# standard presentation block for an article in list and search results pages #}
 <div class="page-block">
     <h2>{% include "articles/_article_category_and_tags_overline.html" %}<a href="{{ article.get_absolute_url() }}">{{ article.title }}</a></h2>
-    {% if article.image %}<img class="list-thumbnail" src="{{ MEDIA_URL }}{{ thumbnail(article.image, "300x240", crop="center") }}" alt="{{ article.title }}">{% endif %}
+    {% if article.image %}<a href="{{ article.get_absolute_url() }}"><img class="list-thumbnail" src="{{ MEDIA_URL }}{{ thumbnail(article.image, "300x240", crop="center") }}" alt="{{ article.title }}"></a>{% endif %}
     <ul class="link-list link-list-inline">
         {% if article.get_live_author_set().exists() %}<li>{% with author_list = article.get_live_author_set() %}{% include "articles/_article_author_list.html" %}{% endwith %}</li>{% endif %}
         {% with person_link_list = article.get_live_people_set() %}