diff --git a/content/posts/2023-11-29-supporting-volunteer-monitoring-of-marine-biodiversity-with-modern-web-and-data-tools/index.md b/content/posts/2023-11-29-supporting-volunteer-monitoring-of-marine-biodiversity-with-modern-web-and-data-tools/index.md
index 45743efcb..1d400f4eb 100644
--- a/content/posts/2023-11-29-supporting-volunteer-monitoring-of-marine-biodiversity-with-modern-web-and-data-tools/index.md
+++ b/content/posts/2023-11-29-supporting-volunteer-monitoring-of-marine-biodiversity-with-modern-web-and-data-tools/index.md
@@ -5,8 +5,9 @@ type: post
 date: 2023-11-29T02:00:00+00:00
 url: /2023/11/29/supporting-volunteer-monitoring-of-marine-biodiversity-with-modern-web-and-data-tools/
 cover:
-  image: reef-species-of-the-world-screenshot.png
+  image: reef-species-of-the-world-screenshot.webp
   alt: Screenshot of Reef Species of the World
+  relative: true
 summary: Summarising the work Uri Seroussi and I did to improve Reef Life Survey's Reef Species of the World app.
 tags:
   - data engineering
diff --git a/content/posts/2023-11-29-supporting-volunteer-monitoring-of-marine-biodiversity-with-modern-web-and-data-tools/reef-species-of-the-world-screenshot.png b/content/posts/2023-11-29-supporting-volunteer-monitoring-of-marine-biodiversity-with-modern-web-and-data-tools/reef-species-of-the-world-screenshot.png
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