diff --git a/_includes/media-in-list.html b/_includes/media-in-list.html
index 7c9e7e6d171850161e2882c7a3ca23afdad11fb4..e943ae902d7af4f29fa2c2601cb8f95b8e9af697 100644
--- a/_includes/media-in-list.html
+++ b/_includes/media-in-list.html
@@ -1,7 +1,7 @@
 <li class="item  item--post">
 	<article class="article  article--post">
 		{%- assign realslug = video.url | split:'/' | last -%}
-        <img src="https://video.chaotikum.net/thumbnails/{{realslug}}.png" alt="" width=50% height=50% style="float: right; margin: 0 0 0 15px;"/>
+        <img src="https://video.chaotikum.net/thumbnails/{{realslug}}.jpg" alt="" width=50% height=50% style="float: right; margin: 0 0 0 15px;"/>
 		<h2><a href="{{ site.baseurl }}{{ video.url }}">{{ title | markdownify | remove: '<p>' | remove: '</p>'  | strip_newlines }}</a></h2>
 		<div class="teaser">
 			{{ video.excerpt | strip_html | markdownify | truncatewords: 60 }}
diff --git a/_media/2022-11-11-aspects-of-data-driven-ux.md b/_media/2022-11-11-aspects-of-data-driven-ux.md
index ae514630a9a5d11c206e68c18c5487708dc066ec..5cd4b6e3b0504c9120b1804e33d65bb0ad7eb7ab 100644
--- a/_media/2022-11-11-aspects-of-data-driven-ux.md
+++ b/_media/2022-11-11-aspects-of-data-driven-ux.md
@@ -12,9 +12,8 @@ fahrplan_url: https://2022.nook-luebeck.de/talks/aspects-of-data-driven-ux/
 #https://www.uuidgenerator.net/
 uid: 2efe0594-8fdc-4943-b308-d6f5ec7f485f
 yt: "https://www.youtube.com/watch?v=23dRFQwEB4g"
-mccc: ""
-file: ""
-archive: ""
+mccc: "https://media.ccc.de/v/aspects-of-data-driven-ux"
+file: "https://video.chaotikum.net/nook22/aspects-of-data-driven-ux.mov"
 event: 46370f56-bfc1-413e-b220-431eec727d47
 conferences:
 - nook2022
diff --git a/_media/2022-11-11-digitaler-minimalismus-fuer-kreativitaet.md b/_media/2022-11-11-digitaler-minimalismus-fuer-kreativitaet.md
index 38fa2e1e4b68f99f5ce2bf051d14ad1c7e64d12c..2455f0a0a4eef4f47c507d5f9da3d735e297e77d 100644
--- a/_media/2022-11-11-digitaler-minimalismus-fuer-kreativitaet.md
+++ b/_media/2022-11-11-digitaler-minimalismus-fuer-kreativitaet.md
@@ -10,11 +10,6 @@ persons:
 fahrplan_url: https://2022.nook-luebeck.de/talks/digitaler-minimalismus-fuer-kreativitaet/
 #https://www.uuidgenerator.net/
 uid: a5eb5a79-7ea9-4e14-b21b-a66b05dee110
-image: ""
-yt: ""
-mccc: ""
-file: ""
-archive: ""
 event: 46370f56-bfc1-413e-b220-431eec727d47
 conferences:
 - nook2022
diff --git a/_media/2022-11-11-funktionelle-neurologische-stoerungen.md b/_media/2022-11-11-funktionelle-neurologische-stoerungen.md
index 16b4e652d59a90011d7ac36d410eae81b778e040..1073d56a6734bc2b3eba1d455da213bda5293aa5 100644
--- a/_media/2022-11-11-funktionelle-neurologische-stoerungen.md
+++ b/_media/2022-11-11-funktionelle-neurologische-stoerungen.md
@@ -10,10 +10,6 @@ persons:
 fahrplan_url: https://2022.nook-luebeck.de/talks/funktionelle-neurologische-stoerungen/
 #https://www.uuidgenerator.net/
 uid: 3b44c586-c66c-495d-beaf-725d07b9cc18
-yt: ""
-mccc: ""
-file: ""
-archive: ""
 event: 46370f56-bfc1-413e-b220-431eec727d47
 conferences:
 - nook2022
diff --git a/_media/2022-11-12-was-ist-das-leben-betrachtet-mit-system.md b/_media/2022-11-12-was-ist-das-leben-betrachtet-mit-system.md
index 79fe3afa7cf820b24c06a49710bfe5b0e6ee51ed..a12177fb72cae6f2b7e68df646a638b542f41034 100644
--- a/_media/2022-11-12-was-ist-das-leben-betrachtet-mit-system.md
+++ b/_media/2022-11-12-was-ist-das-leben-betrachtet-mit-system.md
@@ -12,8 +12,8 @@ fahrplan_url: https://2022.nook-luebeck.de/talks/was-ist-das-leben-betrachtet-mi
 #https://www.uuidgenerator.net/
 uid: ef7a8fa6-b368-4baa-a3be-3d8a1128af51
 yt: "https://www.youtube.com/watch?v=hDV11pwji08"
-mccc: ""
-file: ""
+mccc: "https://media.ccc.de/v/was-ist-das-leben-betrachtet-mit-system"
+file: "https://video.chaotikum.net/nook22/was-ist-das-leben-betrachtet-mit-system.mov"
 event: 46370f56-bfc1-413e-b220-431eec727d47
 conferences:
 - nook2022