diff --git a/_posts/2020/08/2020-08-03-HZI.md b/_posts/2020/08/2020-08-03-HZI.md
index a2c59ba395c8aac6ac9a1a2ff88fb4818f57f9d8..ff5464391aedf1b0552ca8a6572374c3fa258138 100644
--- a/_posts/2020/08/2020-08-03-HZI.md
+++ b/_posts/2020/08/2020-08-03-HZI.md
@@ -1,6 +1,6 @@
 ---
 title: "HZI-HIFIS collaboration for Coronavirus Surveys"
-title_image: default 
+title_image: mitchell-luo-H3htK85wwnU-unsplash.jpg
 data: 2020-08-03
 authors:
   - jandt
diff --git a/_posts/2020/09/2020-09-01-VPN.md b/_posts/2020/09/2020-09-01-VPN.md
index e90c9fdafb4dabfb1934bcd6c1ae661ed0ac5dc3..2939256649096ba4d8fa1794618d48dab68c36fb 100644
--- a/_posts/2020/09/2020-09-01-VPN.md
+++ b/_posts/2020/09/2020-09-01-VPN.md
@@ -1,6 +1,6 @@
 ---
 title: "Start of Helmholtz VPN"
-title_image: default
+title_image: omar-flores-MOO6k3RaiwE-unsplash.jpg
 data: 2020-09-01
 authors:
   - jandt
diff --git a/_posts/2020/09/2020-09-16-hifis-homepage-helpdesk.md b/_posts/2020/09/2020-09-16-hifis-homepage-helpdesk.md
index aadceafbdeafe68f7d65893b4c10f44a72cb79be..7a0e2025438b5be6cba8ff68b3e1cc87b61c00e7 100644
--- a/_posts/2020/09/2020-09-16-hifis-homepage-helpdesk.md
+++ b/_posts/2020/09/2020-09-16-hifis-homepage-helpdesk.md
@@ -1,6 +1,6 @@
 ---
 title: "HIFIS Pages and Helpdesk launched"
-title_image: default
+title_image: spacex-uj3hvdfQujI-unsplash.jpg
 data: 2020-09-16
 authors:
   - jandt
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