diff --git a/README.md b/README.md
index 32abc50..3ed1605 100644
--- a/README.md
+++ b/README.md
@@ -103,6 +103,20 @@ The other files in there can be modified, but don't need to be.
 
 >   I'm not sure how this is going to work with an "installable" theme, which is what is holding me back. If you know how this could be done please message me ([mastodon](https://bluenoser.me/@Jeff)) or email jeffmackinnon@proton.me.
 
+## Use
+
+If you are using the pelican photos plugin, and use the `:image:` tag to create a header image, I've added a `:image_alt:` variable. This adds alt text to the header image.
+
+So, the below set up is for this [post](jeffmackinnon.com/20230511-new_flash.html).
+
+```
+:image: {photo}microblog/865A0747.jpg
+:image_alt: Macro photo of a flower.
+
+```
+
+
+
 ## RoadMap
 
 In order of percieved importance, but not in the order that I will get them done.
diff --git a/templates/article.html b/templates/article.html
index ae963f1..162192d 100644
--- a/templates/article.html
+++ b/templates/article.html
@@ -104,7 +104,7 @@
     <div class="entry-content">
 
     {% if article.photo_image and SHOW_TOP_IMAGE == True %}
-    <a href="{{ SITEURL }}/{{ article.photo_image[1] }}"><img style="display: block; margin: 0 auto 0 0;" src="{{ SITEURL }}/{{ article.photo_image[1] }}" /></a>
+    <a href="{{ SITEURL }}/{{ article.photo_image[1] }}"><img style="display: block; margin: 0 auto 0 0;" src="{{ SITEURL }}/{{ article.photo_image[1] }}" alt="{{ article.image_alt }}"/></a>
     {% endif %}