render coding for kids when not filled

Author: mdjorup

templates/gruvian_ad.html

@@ -153,7 +153,13 @@ <h4>Sponsors</h4>
 {#                      <img src="/static/img/banners/cfk/promo_high.png" style="width: 100%; margin-bottom: 10px"/>#}
 {#                  </a>#}
                     {% if gruvian_ad %}
-                        {% include "gruvian_ad.html" %}
+                        <a target="_blank" href="gruvian_ad.click_url">
+                            <img src="{{ gruvian_ad.ad.image.data.url }}" alt="Ad Image" style="width: 100%; margin-bottom: 10px">
+                        </a>
+                    {% else %}
+                        <a href="https://codingforkids.io?utm_source=learnpython&utm_medium=banner&utm_campaign=cfk-learnpython&utm_id=learnpython" target="_blank">
+                            <img src="/static/img/banners/cfk/promo_high.png" style="width: 100%; margin-bottom: 10px"/>
+                        </a>
                     {% endif %}
 
 {#                    <script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>#}