diff --git a/_imagemeta/chaotikum10.markdown b/_imagemeta/chaotikum10.markdown
index bfead8e6ee2e2310bc85ac0b34692808f5d3591e..8e16a81ddd267499eac4a88dc5b5b4d071676ec4 100644
--- a/_imagemeta/chaotikum10.markdown
+++ b/_imagemeta/chaotikum10.markdown
@@ -4,6 +4,7 @@ picurl: "http://wiki.chaotikum.org/_media/hackerspace:nbsp:imag1134.jpg"
 description: "Gemütliches Sofas laden zum Entspannen und Diskutieren ein"
 author: "tvluke"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "4576x3432"
 tags:
  - nobreakspace
 ---
diff --git a/_imagemeta/chaotikum11.markdown b/_imagemeta/chaotikum11.markdown
index 86ea80a7104d11cd1c70d95f1bf30ab71fc5ce00..ef13310f482bf08099f1637daf82772dd734524a 100644
--- a/_imagemeta/chaotikum11.markdown
+++ b/_imagemeta/chaotikum11.markdown
@@ -4,6 +4,7 @@ picurl: "http://wiki.chaotikum.org/_media/hackerspace:nbsp:img_20181005_091250_8
 description: "Im Nobreakspace können Vorträge gehalten werden"
 author: "Fabi"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "1280x720"
 tags:
  - nobreakspace
 ---
diff --git a/_imagemeta/chaotikum12.markdown b/_imagemeta/chaotikum12.markdown
index e78fadb385a3097bd86b7391586fcdaea846cbd1..72428e206a7a5d2460858a9cbe76096cd93bc84a 100644
--- a/_imagemeta/chaotikum12.markdown
+++ b/_imagemeta/chaotikum12.markdown
@@ -4,6 +4,7 @@ picurl: "http://wiki.chaotikum.org/_media/hackerspace:nbsp:imag1138.jpg"
 description: "Für Bastler steht eine umfangreiche Werkstatt zur Verfügung"
 author: "Fabi"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "4576x3432"
 tags:
  - nobreakspace
 ---
diff --git a/_imagemeta/chaotikum13.markdown b/_imagemeta/chaotikum13.markdown
index 0e6440cca72eeeb8b844c2f0a914dc2671c81af0..351eadf7f699aef61712b61bd39f98547ad51021 100644
--- a/_imagemeta/chaotikum13.markdown
+++ b/_imagemeta/chaotikum13.markdown
@@ -2,8 +2,9 @@
 title: "Der Nobreakspace"
 picurl: "http://wiki.chaotikum.org/_media/hackerspace:nbsp:imag1132.jpg"
 description: "Die Mediensammlung bietet reichlich Lesestoff zu vielen verschiedenen Themen"
-author: "Fabi"
+author: "TVLuke"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "4576x3432"
 tags:
  - nobreakspace
 ---
diff --git a/_imagemeta/hausdurchsuchung.makrdown b/_imagemeta/hausdurchsuchung.makrdown
index c9baedf09a76e37425bd8bbe89d71bfd560ec0c0..74e8c1d2d6231fef58272baa59662d97420e9edc 100644
--- a/_imagemeta/hausdurchsuchung.makrdown
+++ b/_imagemeta/hausdurchsuchung.makrdown
@@ -4,6 +4,7 @@ picurl: "https://wiki.chaotikum.org/_media/projekte:hausdurchsuchungchaotikum.jp
 description: "Sticker Vorlage"
 author: "faab_e, tvluke"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "716x795"
 tags:
  - hausdurchsuchung
 ---
diff --git a/_imagemeta/hausdurchsuchung2.makrdown b/_imagemeta/hausdurchsuchung2.makrdown
index e26688bccac4560b92a85075c56fc0cf29e5041e..5acdfeb5bb35ef87f717d563155c11b9354666bd 100644
--- a/_imagemeta/hausdurchsuchung2.makrdown
+++ b/_imagemeta/hausdurchsuchung2.makrdown
@@ -4,7 +4,8 @@ picurl: "https://wiki.chaotikum.org/_media/projekte:aufkleber:imag1133.jpg"
 description: "Sticker Im Nbsp"
 author: "faab_e, tvluke"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "4576x3432"
 tags:
  - hausdurchsuchung
-  - nobreakspace
+ - nobreakspace
 ---
diff --git a/_imagemeta/metanook2018_a.markdown b/_imagemeta/metanook2018_a.markdown
index b2ba87277e48436ebefb446ec1be138b7737c176..2e77956e208e2e066c238b058202b7426c08c2ea 100644
--- a/_imagemeta/metanook2018_a.markdown
+++ b/_imagemeta/metanook2018_a.markdown
@@ -1,9 +1,11 @@
 ---
 title: Metanook 2018
-picurl: "https://wiki.chaotikum.org/_media/nook2018:img_8496.jpg"
+picurl: "https://wiki.chaotikum.org/_media/nook2018:small:nook2018img_8496.jpg"
 description: Karte mit Pins
 author: "Fabi"
+size: ""
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "2000x1333"
 tags:
  - metanook18
 ---
diff --git a/_imagemeta/metanook2018_b.markdown b/_imagemeta/metanook2018_b.markdown
index 33807dcee2afa304d1066ec844bc733bb8db72b7..368b0421a269d6b59385b7efa29d1a8b535cd816 100644
--- a/_imagemeta/metanook2018_b.markdown
+++ b/_imagemeta/metanook2018_b.markdown
@@ -1,9 +1,10 @@
 ---
 title: Metanook 2018
-picurl: "https://wiki.chaotikum.org/_media/nook2018:img_8550.jpg"
+picurl: "https://wiki.chaotikum.org/_media/nook2018:small:nook2018img_8550.jpg"
 description: Plan der Nook
 author: "Fabi"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "2000x1333"
 tags:
  - metanook18
 ---
diff --git a/_imagemeta/metanook2018_c.markdown b/_imagemeta/metanook2018_c.markdown
index 890b1a721576c6fa112097837693782d1f5e3f26..39fc07144c58a89d7ec85b90901801d0709c0685 100644
--- a/_imagemeta/metanook2018_c.markdown
+++ b/_imagemeta/metanook2018_c.markdown
@@ -1,9 +1,10 @@
 ---
 title: Metanook 2018
-picurl: "https://wiki.chaotikum.org/_media/nook2018:img_8551.jpg"
+picurl: "https://wiki.chaotikum.org/_media/nook2018:small:nook2018img_8551.jpg"
 description: Tobias Mende im Vortrag
 author: "Fabi"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "2000x1333"
 tags:
  - metanook18
 ---
diff --git a/_imagemeta/metanook2018_d.markdown b/_imagemeta/metanook2018_d.markdown
index b43789e60ab287fb5f9c2ee761e977e2aa3571ca..94fa43aa79c43d53bf42ede4d84cc5ee0c06e2f3 100644
--- a/_imagemeta/metanook2018_d.markdown
+++ b/_imagemeta/metanook2018_d.markdown
@@ -1,9 +1,10 @@
 ---
 title: Metanook 2018
-picurl: "https://wiki.chaotikum.org/_media/nook2018:img_8555.jpg"
+picurl: "https://wiki.chaotikum.org/_media/nook2018:small:nook2018img_8555.jpg"
 description: Ausmahlbilder
 author: "Fabi"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "2000x1333"
 tags:
  - metanook18
 ---
diff --git a/_imagemeta/metanook2018_e.markdown b/_imagemeta/metanook2018_e.markdown
index 4d5889b3d65bfb1fc3ef04b4a31686532af74823..87717a4b3efbefec95c3d8d72ed257227c763a6f 100644
--- a/_imagemeta/metanook2018_e.markdown
+++ b/_imagemeta/metanook2018_e.markdown
@@ -1,9 +1,10 @@
 ---
 title: Metanook 2018
-picurl: "https://wiki.chaotikum.org/_media/nook2018:img_8569.jpg"
+picurl: "https://wiki.chaotikum.org/_media/nook2018:small:nook2018img_8569.jpg"
 description: Vortrag
 author: "Fabi"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "2000x1333"
 tags:
  - metanook18
 ---
diff --git a/_imagemeta/metanook2018_f.markdown b/_imagemeta/metanook2018_f.markdown
index db08775d858453dc654e287f883d81a18dce4520..485b208e1eca1cf02d73aaf8c81c3c6fde7c807c 100644
--- a/_imagemeta/metanook2018_f.markdown
+++ b/_imagemeta/metanook2018_f.markdown
@@ -1,9 +1,10 @@
 ---
 title: Metanook 2018
-picurl: "https://wiki.chaotikum.org/_media/nook2018:img_8574.jpg"
+picurl: "https://wiki.chaotikum.org/_media/nook2018:small:nook2018img_8574.jpg"
 description: Vortrag
 author: "Fabi"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "2000x1333"
 tags:
  - metanook18
 ---
diff --git a/_imagemeta/metanook2018_g.markdown b/_imagemeta/metanook2018_g.markdown
index 05cdb26f8b255b9c49bf5218b5754655c50d4d4f..a490795627ac7ce909f731f1d68eba418115dc1e 100644
--- a/_imagemeta/metanook2018_g.markdown
+++ b/_imagemeta/metanook2018_g.markdown
@@ -1,9 +1,10 @@
 ---
 title: Metanook 2018
-picurl: "https://wiki.chaotikum.org/_media/nook2018:img_8583.jpg"
+picurl: "https://wiki.chaotikum.org/_media/nook2018:small:nook2018img_8583.jpg"
 description: FabLab Stand
 author: "Fabi"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "2000x1333"
 tags:
  - metanook18
 ---
diff --git a/_imagemeta/metanook2018_h.markdown b/_imagemeta/metanook2018_h.markdown
index 413a96b0ed66c3c005140ab7b68f0ce375c009a9..f04a90678ecec01e5ccc0baed625ba6f2ec0219e 100644
--- a/_imagemeta/metanook2018_h.markdown
+++ b/_imagemeta/metanook2018_h.markdown
@@ -1,9 +1,10 @@
 ---
 title: Metanook 2018
-picurl: "https://wiki.chaotikum.org/_media/nook2018:img_8608.jpg"
+picurl: "https://wiki.chaotikum.org/_media/nook2018:small:nook2018img_8608.jpg"
 description: Audimax und Lübeck
 author: "Fabi"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "2000x1333"
 tags:
  - metanook18
 ---
diff --git a/_imagemeta/metanook2018_i.markdown b/_imagemeta/metanook2018_i.markdown
index 8858e53fe9d97d1e2893761ab95f97ac178db617..d32631d6bc72ef1d164a7eeb7635417c709232b9 100644
--- a/_imagemeta/metanook2018_i.markdown
+++ b/_imagemeta/metanook2018_i.markdown
@@ -1,9 +1,10 @@
 ---
 title: Metanook 2018
-picurl: "https://wiki.chaotikum.org/_media/nook2018:img_8610.jpg"
+picurl: "https://wiki.chaotikum.org/_media/nook2018:small:nook2018img_8610.jpg"
 description: Auf der Karte konnten Menschen eintragen, von wo sie angereist sind.
 author: "Fabi"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "2000x1333"
 tags:
  - metanook18
 ---
diff --git a/_imagemeta/metanook2018_j.markdown b/_imagemeta/metanook2018_j.markdown
index 15f1cea7eab1b1afe806f330915d725e42ab20e8..c87f4ee7b3a83f7098ba273c98587dead79e1965 100644
--- a/_imagemeta/metanook2018_j.markdown
+++ b/_imagemeta/metanook2018_j.markdown
@@ -1,9 +1,10 @@
 ---
 title: Metanook 2018
-picurl: "https://wiki.chaotikum.org/_media/nook2018:img_8648.jpg"
+picurl: "https://wiki.chaotikum.org/_media/nook2018:small:nook2018img_8648.jpg"
 description: Feedback bogen
 author: "Fabi"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "2000x1333"
 tags:
  - metanook18
 ---
diff --git a/_imagemeta/metanook2018_k.markdown b/_imagemeta/metanook2018_k.markdown
index 32fd2778fe6ecc3a0ef4222d1b87450ef09120da..64d95a410bf1ebfce7dda589e3f28d0b9cdc9410 100644
--- a/_imagemeta/metanook2018_k.markdown
+++ b/_imagemeta/metanook2018_k.markdown
@@ -1,9 +1,10 @@
 ---
 title: Metanook 2018
-picurl: "https://wiki.chaotikum.org/_media/nook2018:img_8708.jpg"
+picurl: "https://wiki.chaotikum.org/_media/nook2018:small:nook2018img_8708.jpg"
 description: Capture the flag
 author: "Fabi"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "2000x1333"
 tags:
  - metanook18
 ---
diff --git a/_imagemeta/metanook2018_l.markdown b/_imagemeta/metanook2018_l.markdown
index 90dc4aa4b96589a75e91de538cdfbc20c64d52df..fa74ac73494d30c9dfecf9deafd19514fc612dab 100644
--- a/_imagemeta/metanook2018_l.markdown
+++ b/_imagemeta/metanook2018_l.markdown
@@ -1,9 +1,10 @@
 ---
 title: Metanook 2018
-picurl: "https://wiki.chaotikum.org/_media/nook2018:img_8760.jpg"
+picurl: "https://wiki.chaotikum.org/_media/nook2018:small:nook2018img_8760.jpg"
 description: Ausmahlbilder
 author: "Fabi"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "2000x1333"
 tags:
  - metanook18
 ---
diff --git a/_imagemeta/metanook2018_m.markdown b/_imagemeta/metanook2018_m.markdown
index 9d1968b87a34b68d8e3261ce259da8e3a8215457..936e641cdacb447477fca9833920df483d40db24 100644
--- a/_imagemeta/metanook2018_m.markdown
+++ b/_imagemeta/metanook2018_m.markdown
@@ -1,9 +1,10 @@
 ---
 title: Metanook 2018
-picurl: "https://wiki.chaotikum.org/_media/nook2018:img_8768.jpg"
+picurl: "https://wiki.chaotikum.org/_media/nook2018:small:nook2018img_8768.jpg"
 description: Ultimate Windows Upgrade
 author: "Fabi"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "2000x1333"
 tags:
  - metanook18
 ---
diff --git a/_imagemeta/metanook2018_n.markdown b/_imagemeta/metanook2018_n.markdown
index 10078408e7fce114adb707c5a76c309289c7ae23..3b17b5c44650d13b66bec3f16bd84203c4eecdda 100644
--- a/_imagemeta/metanook2018_n.markdown
+++ b/_imagemeta/metanook2018_n.markdown
@@ -1,9 +1,10 @@
 ---
 title: Metanook 2018
-picurl: "https://wiki.chaotikum.org/_media/nook2018:img_8771.jpg"
+picurl: "https://wiki.chaotikum.org/_media/nook2018:small:nook2018img_8771.jpg"
 description: Ultimate Windows Upgrade
 author: "Fabi"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "2000x1333"
 tags:
  - metanook18
 ---
diff --git a/_imagemeta/metanook2018_o.markdown b/_imagemeta/metanook2018_o.markdown
index d60986605f1f407a24e7fc0e7dddbf51d5dd60df..02bc0b411ab6857bab3539d090deb59452bf2723 100644
--- a/_imagemeta/metanook2018_o.markdown
+++ b/_imagemeta/metanook2018_o.markdown
@@ -1,9 +1,10 @@
 ---
 title: Metanook 2018
-picurl: "https://wiki.chaotikum.org/_media/nook2018:img_8782.jpg"
+picurl: "https://wiki.chaotikum.org/_media/nook2018:small:nook2018img_8782.jpg"
 description: Nook 2018
 author: "Fabi"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "2000x1333"
 tags:
  - metanook18
 ---
diff --git a/_imagemeta/metanook2018_p.markdown b/_imagemeta/metanook2018_p.markdown
index f023ea0ddd320986166dd128cb45ef8b48dff59a..51202d743c9b293ae711e3071f69d3ca146323da 100644
--- a/_imagemeta/metanook2018_p.markdown
+++ b/_imagemeta/metanook2018_p.markdown
@@ -1,9 +1,10 @@
 ---
 title: Metanook 2018
-picurl: "https://wiki.chaotikum.org/_media/nook2018:img_8788.jpg"
+picurl: "https://wiki.chaotikum.org/_media/nook2018:small:nook2018img_8788.jpg"
 description: Ausmahlbilder
 author: "Fabi"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "2000x1333"
 tags:
  - metanook18
 ---
diff --git a/_imagemeta/metanook2018_q.markdown b/_imagemeta/metanook2018_q.markdown
index 0c5eeedc2a97f0ae51acf3cdd221fecff12c238d..79abeee000d2dba90a71e67ad93b0ebd9c7c918b 100644
--- a/_imagemeta/metanook2018_q.markdown
+++ b/_imagemeta/metanook2018_q.markdown
@@ -1,9 +1,10 @@
 ---
 title: Metanook 2018
-picurl: "https://wiki.chaotikum.org/_media/nook2018:img_8635.jpg"
+picurl: "https://wiki.chaotikum.org/_media/nook2018:small:nook2018img_8635.jpg"
 description: P Plus Plus
 author: "Fabi"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "2000x1333"
 tags:
  - metanook18
 ---
diff --git a/_imagemeta/tanztatur8.markdown b/_imagemeta/tanztatur8.markdown
index 51023e39313ba1230351e11c9619dd438ebb52b7..78fff506641bcf9bcaade05b5bec26e1107323bf 100644
--- a/_imagemeta/tanztatur8.markdown
+++ b/_imagemeta/tanztatur8.markdown
@@ -4,6 +4,7 @@ picurl: "https://wiki.chaotikum.org/_media/projekte:tanztatur:imag0121.jpg"
 description: "Die Tanztatur aufgebaut auf dem Chaos Communication Congress (34C3) in Leipzig"
 author: "tvluke"
 license: "<a href='https://creativecommons.org/licenses/by-nc/4.0/de/'>CC BY NC</a>"
+size: "1830x1373"
 tags:
  - tanztatur
 ---
diff --git a/_includes/gallery.html b/_includes/gallery.html
index db653e77bbb3209b63a6ee680e2d845484471ea9..0812208ddccbae5f95ed0b1d828ebe6266020952 100644
--- a/_includes/gallery.html
+++ b/_includes/gallery.html
@@ -27,7 +27,7 @@
 {% for image in site.imagemeta %}
   {% if image.tags contains {{include.topic}} %}
     <figure itemprop="associatedMedia" itemscope itemtype="http://schema.org/ImageObject">
-        <a href="{{image.picurl}}" itemprop="contentUrl" data-size="600x400">
+        <a href="{{image.picurl}}" itemprop="contentUrl" data-size="{{image.size | default: "600x400"}}">
             <img src="{{image.picurl}}" itemprop="thumbnail" alt="{{image.description}}" />
         </a>
         {% if image.author %}
diff --git a/_posts/blog/2018-11-11-das-war-die-metanook.markdown b/_posts/blog/2018-11-11-das-war-die-metanook.markdown
index 1a3bfe4a2f7b1bbfcf705ab3809131cd5c52be48..bbc72fb974a0923157cd89e1a06d4e7bd6cde0d2 100644
--- a/_posts/blog/2018-11-11-das-war-die-metanook.markdown
+++ b/_posts/blog/2018-11-11-das-war-die-metanook.markdown
@@ -9,7 +9,7 @@ categories:
 tags:
 - metanook
 frontpage: true
-feature_image: "https://wiki.chaotikum.org/_media/nook2018:img_8708.jpg"
+feature_image: "https://wiki.chaotikum.org/_media/nook2018:small:nook2018img_8708.jpg"
 ---
 
 Die MetaNook 2018 ist vorbei und es war uns auch dieses Jahr eine große Freude.
@@ -18,7 +18,7 @@ ihr alle habt die MetaNook zu einem tollen Event gemacht. Danke!
 
 <!--more-->
 
-{% include {{site.image}} base=site.wikiimage url="nook2018:img_8708.jpg"
+{% include {{site.image}} base=site.wikiimage url="nook2018:small:nook2018img_8708.jpg"
 caption="Metanook 2018, Foto von Fabi" copyr=site.ccbync %}
 
 Für uns beginnt nun die Nachbereitung, aber hier sind schonmal einige Bilder.