Implement proper template listing

circle/dashboard/views/template.py

@@ -278,7 +278,11 @@ class TemplateList(LoginRequiredMixin, FilterMixin, SingleTableView):
             return super(TemplateList, self).get(*args, **kwargs)
 
     def get_queryset(self):
-        return InstanceTemplate.objects.filter(owner_id=self.request.user.id)
+        images = openstack_api.glance.image_list_detailed(self.request)[0]  # TODO: why nested lists?
+        snapshot_ids = [
+            i.id for i in images if hasattr(i, 'image_location') and i.image_location == 'snapshot'
+        ]
+        return InstanceTemplate.objects.filter(image_id__in=snapshot_ids)
 
 
 class TemplateDelete(DeleteViewBase):