diff --git a/main-site/archetypes/default.md b/main-site/archetypes/default.md
index f784b54..0747fd0 100644
--- a/main-site/archetypes/default.md
+++ b/main-site/archetypes/default.md
@@ -3,5 +3,6 @@ title: '{{ replace .File.ContentBaseName "-" " " | title }}'
 description: null
 date: {{ .Date }}
 thumbnail: null
+ContentThumbnail: true
 article: false
 ---
diff --git a/main-site/themes/temper/layouts/_default/single.html b/main-site/themes/temper/layouts/_default/single.html
index 474e078..5fb1db6 100644
--- a/main-site/themes/temper/layouts/_default/single.html
+++ b/main-site/themes/temper/layouts/_default/single.html
@@ -7,9 +7,11 @@
   </div>
   {{ end }}
   {{  if .Params.Thumbnail }}
-    <a href="{{ .Params.Thumbnail }}">
-      <img class="card-img" src="{{ .Params.Thumbnail }}">
-    </a>
+    {{ if .Params.ContentThumbnail }}
+      <a href="{{ .Params.Thumbnail }}">
+        <img class="card-img" src="{{ .Params.Thumbnail }}">
+      </a>
+    {{ end }}
   {{ end }}
   <div class="container">{{ .Content }}</div>
 {{ end }}