[304] most_popular_datasets can render a preview image
[304] most_popular_datasets can render a preview image

--- a/ckanext/ga_report/helpers.py
+++ b/ckanext/ga_report/helpers.py
@@ -80,7 +80,7 @@
     return base.render_snippet('ga_report/ga_popular_single.html', **context)
 
 
-def most_popular_datasets(publisher, count=20):
+def most_popular_datasets(publisher, count=20, preview_image=None):
 
     if not publisher:
         _log.error("No valid publisher passed to 'most_popular_datasets'")
@@ -92,7 +92,8 @@
         'dataset_count': len(results),
         'datasets': results,
 
-        'publisher': publisher
+        'publisher': publisher,
+        'preview_image': preview_image
     }
 
     return base.render_snippet('ga_report/publisher/popular.html', **ctx)

--- a/ckanext/ga_report/templates/ga_report/publisher/popular.html
+++ b/ckanext/ga_report/templates/ga_report/publisher/popular.html
@@ -15,7 +15,12 @@
                 </li>
             </py:for>
         </ul>
-      <p class="">${h.link_to("More usage data for " + publisher.title, h.url_for(controller='ckanext.ga_report.controller:GaDatasetReport',action='read_publisher',id=publisher.name))}</p>
+      <p>
+        <a href="${h.url_for(controller='ckanext.ga_report.controller:GaDatasetReport',action='read_publisher',id=publisher.name)}">
+          <img py:if="preview_image" src="${preview_image}" /><br/>
+          More usage data for ${publisher.title}
+        </a>
+      </p>
      </div>
   </py:if>
 </html>