diff --git a/_pages/volunteer.md b/_pages/volunteer.md
index d008472e..98057f2a 100644
--- a/_pages/volunteer.md
+++ b/_pages/volunteer.md
@@ -6,6 +6,9 @@ author_profile: false
 published: true
 site-map: true
 permalink: /volunteer.html
+header:
+  overlay_image: images/headers/pyopensci-learn-header.png
+  overlay_filter: 0.3
 volunteer-mission:
   - excerpt: "The vibrant and diverse pyOpenSci community is driven by volunteer Pythonistas that care deeply about the scientific Python open source software that drives open science."
 help-us:
diff --git a/_posts/2024-05-14-pyos-guide-to-pyconus-2024.md b/_posts/2024-05-14-pyos-guide-to-pyconus-2024.md
index 73be2109..50288edf 100644
--- a/_posts/2024-05-14-pyos-guide-to-pyconus-2024.md
+++ b/_posts/2024-05-14-pyos-guide-to-pyconus-2024.md
@@ -6,7 +6,7 @@ author: "Jesse Mostipak"
 permalink: /blog/pyos-guide-to-pyconus-2024.html
 header:
   overlay_image: images/blog/2024/may/pycon-us-2024.png
-  overlay_filter: 0.6
+  overlay_filter: rgba(20, 13, 36, 0.8)
 categories:
   - blog-post
   - community
diff --git a/_posts/2024-05-23-pyos-call-for-editors.md b/_posts/2024-05-23-pyos-call-for-editors.md
index b7cd20e5..c64918b7 100644
--- a/_posts/2024-05-23-pyos-call-for-editors.md
+++ b/_posts/2024-05-23-pyos-call-for-editors.md
@@ -6,7 +6,7 @@ author: "Jesse Mostipak"
 permalink: /blog/pyos-call-for-editors-may-2024.html
 header:
   overlay_image: images/blog/headers/23-05-2024-call-for-editors.png
-  overlay_filter: 0.6
+  overlay_filter: rgba(20, 13, 36, 0.8)
 categories:
   - blog-post
   - community
diff --git a/_posts/2024-05-24-oss-fall-festival-save-the-date-2024.md b/_posts/2024-05-24-oss-fall-festival-save-the-date-2024.md
index 379ec1d9..81d96a22 100644
--- a/_posts/2024-05-24-oss-fall-festival-save-the-date-2024.md
+++ b/_posts/2024-05-24-oss-fall-festival-save-the-date-2024.md
@@ -6,7 +6,7 @@ author: "Jesse Mostipak"
 permalink: /blog/save-the-date-oss-fall-festival-2024.html
 header:
   overlay_image: images/blog/2024/may/fall-festival-save-the-date-2024.png
-  overlay_filter: 0.6
+  overlay_filter: rgba(20, 13, 36, 0.8)
 categories:
   - blog-post
   - community
diff --git a/_posts/2024-05-28-pyos-newsletter-june-2024.md b/_posts/2024-05-28-pyos-newsletter-june-2024.md
index 8b65ffe7..56694889 100644
--- a/_posts/2024-05-28-pyos-newsletter-june-2024.md
+++ b/_posts/2024-05-28-pyos-newsletter-june-2024.md
@@ -6,7 +6,7 @@ author: "Jesse Mostipak"
 permalink: /blog/pyos-newsletter-june-2024.html
 header:
   overlay_image: images/blog/2024/may/pyos-june-newsletter.png
-  overlay_filter: 0.6
+  overlay_filter: rgba(20, 13, 36, 0.8)
 categories:
   - blog-post
   - community
diff --git a/_posts/2024-05-30-pyos-pyconus-2024-recap.md b/_posts/2024-05-30-pyos-pyconus-2024-recap.md
index 146ff500..dbfc28cb 100644
--- a/_posts/2024-05-30-pyos-pyconus-2024-recap.md
+++ b/_posts/2024-05-30-pyos-pyconus-2024-recap.md
@@ -6,7 +6,7 @@ author: "Leah Wasser"
 permalink: /blog/recap-pyos-pyconus-2024.html
 header:
   overlay_image: images/blog/2024/may/pycon-us-2024.png
-  overlay_filter: 0.6
+  overlay_filter: rgba(20, 13, 36, 0.8)
 categories:
   - blog-post
   - community
diff --git a/_posts/2024-06-03-sleplet-slepian-wavelets.md b/_posts/2024-06-03-sleplet-slepian-wavelets.md
index c34c5ccd..4d6176e3 100644
--- a/_posts/2024-06-03-sleplet-slepian-wavelets.md
+++ b/_posts/2024-06-03-sleplet-slepian-wavelets.md
@@ -6,7 +6,7 @@ author: Patrick J. Roddy
 permalink: /blog/sleplet-slepian-wavelets
 header:
     overlay_image: /images/sleplet/planck_2018_temp_mask.jpg
-    overlay_filter: 0.5
+    overlay_filter: rgba(20, 13, 36, 0.8)
     caption: "Figure credit: [**The Planck Collaboration 2018**](https://www.aanda.org/articles/aa/full_html/2020/09/aa33881-18/F38.html)"
 categories:
   - blog-post
diff --git a/_posts/2024-06-05-friends-dont-let-friends-package-alone-pyconus-24.md b/_posts/2024-06-05-friends-dont-let-friends-package-alone-pyconus-24.md
index 6372cf4a..40d8b11d 100644
--- a/_posts/2024-06-05-friends-dont-let-friends-package-alone-pyconus-24.md
+++ b/_posts/2024-06-05-friends-dont-let-friends-package-alone-pyconus-24.md
@@ -6,7 +6,7 @@ author: "Leah Wasser"
 permalink: /blog/python-packaging-friends-dont-let-friends-package-alone.html
 header:
   overlay_image: images/blog/2024/may/pycon-us-2024.png
-  overlay_filter: 0.6
+  overlay_filter: rgba(20, 13, 36, 0.8)
 categories:
   - blog-post
   - community
diff --git a/_posts/2024-06-06-get-involved-with-pyos.md b/_posts/2024-06-06-get-involved-with-pyos.md
index 143d3806..09798b8c 100644
--- a/_posts/2024-06-06-get-involved-with-pyos.md
+++ b/_posts/2024-06-06-get-involved-with-pyos.md
@@ -6,7 +6,7 @@ author: "Jesse Mostipak"
 permalink: /blog/get-involved-with-pyos.html
 header:
   overlay_image: images/blog/2024/may/23-05-2024-get-involved.png
-  overlay_filter: 0.4
+  overlay_filter: rgba(20, 13, 36, 0.8)
 categories:
   - blog-post
   - community