diff --git a/_events/2018-08-13-iuventa.markdown b/_events/2018-08-13-iuventa.markdown
deleted file mode 100644
index 20440764a3977199340a0ab556ccef7b187af957..0000000000000000000000000000000000000000
--- a/_events/2018-08-13-iuventa.markdown
+++ /dev/null
@@ -1,8 +0,0 @@
----
-title:  "Dokumentarfilm: Iuventa"
-image: "/assets/f11.jpg"
-date:   2018-08-13 22:25:00 +0200
-location:
- - Augenprüfraum
-short: "Auf 3sat läuft der Dokumentarfilm Iuventa. Wir werden im im Space laufen lassen."
----
diff --git a/_events/2018-10-03-openspace.markdown b/_events/2018-10-03-openspace.markdown
index 214b804871d81054a5e78006b39f6d7d62f70176..7840eec191d7840a2b1fc5aee54dbda59e180c90 100644
--- a/_events/2018-10-03-openspace.markdown
+++ b/_events/2018-10-03-openspace.markdown
@@ -2,7 +2,7 @@
 title:  "Open Space/Chaostreff"
 image: "/assets/geloet.jpg"
 date:   2018-10-03 19:00:00 +0200
-location:
+locations:
  - Augenprüfraum
  - Wartezimmer
  - Lager
diff --git a/_events/2018-10-10-openspace.markdown b/_events/2018-10-10-openspace.markdown
index bcfb90aa139d5f149fd9a84c3cff41a610505818..3c074aa30c8dc315dc02f54dc662d38045826b15 100644
--- a/_events/2018-10-10-openspace.markdown
+++ b/_events/2018-10-10-openspace.markdown
@@ -2,7 +2,7 @@
 title:  "Open Space/Chaostreff"
 image: "/assets/geloet.jpg"
 date:   2018-10-10 19:00:00 +0200
-location:
+locations:
  - Augenprüfraum
  - Wartezimmer
  - Lager
diff --git a/_events/2018-07-26-osm.markdown b/_events/20180726-osm.markdown
similarity index 100%
rename from _events/2018-07-26-osm.markdown
rename to _events/20180726-osm.markdown
diff --git a/_events/2018-08-01-openspace.markdown b/_events/20180801-openspace.markdown
similarity index 100%
rename from _events/2018-08-01-openspace.markdown
rename to _events/20180801-openspace.markdown
diff --git a/_events/2018-08-08-openspace.markdown b/_events/20180808-openspace.markdown
similarity index 100%
rename from _events/2018-08-08-openspace.markdown
rename to _events/20180808-openspace.markdown
diff --git a/_events/2018-08-09-plenum.markdown b/_events/20180809-plenum.markdown
similarity index 100%
rename from _events/2018-08-09-plenum.markdown
rename to _events/20180809-plenum.markdown
diff --git a/_events/2018-08-10-freitalk.markdown b/_events/20180810-freitalk.markdown
similarity index 100%
rename from _events/2018-08-10-freitalk.markdown
rename to _events/20180810-freitalk.markdown
diff --git a/_events/20180813iuventa.markdown b/_events/20180813iuventa.markdown
new file mode 100644
index 0000000000000000000000000000000000000000..e757e0c3d358fbec4faab4ee96841f4702c0503b
--- /dev/null
+++ b/_events/20180813iuventa.markdown
@@ -0,0 +1,13 @@
+---
+layout: event
+title:  "Dokumentarfilm: Iuventa"
+image: "/assets/f11.jpg"
+eventdate:   2018-08-13 22:25:00 +0200
+pretix: https://pretix.chaotikum.org/chaotikum/iuventa/
+#https://www.uuidgenerator.net/
+uid: 9fc2e4ba-7e3b-4b5d-9b4d-57304f5c1cce
+poster: test1
+locations:
+ - Augenprüfraum
+short: "Auf 3sat läuft der Dokumentarfilm Iuventa. Wir werden im im Space laufen lassen."
+---
diff --git a/_events/2018-08-15-openspace.markdown b/_events/20180815-openspace.markdown
similarity index 73%
rename from _events/2018-08-15-openspace.markdown
rename to _events/20180815-openspace.markdown
index fbd4e85cb90fa3df3ffa107cbb14a288cc9fd021..47262a0c1cb65c4e6a42fbe71ca0f892ce57a612 100644
--- a/_events/2018-08-15-openspace.markdown
+++ b/_events/20180815-openspace.markdown
@@ -1,8 +1,10 @@
 ---
+layout: event
 title:  "Open Space/Chaostreff"
 image: "/assets/geloet.jpg"
-date:   2018-08-15 19:00:00 +0200
-location:
+eventdate:   2018-08-15 19:00:00 +0200
+poster: test3
+locations:
  - Augenprüfraum
  - Wartezimmer
  - Lager
diff --git a/_events/2018-08-16-ffhl-orga.markdown b/_events/20180816-ffhl-orga.markdown
similarity index 63%
rename from _events/2018-08-16-ffhl-orga.markdown
rename to _events/20180816-ffhl-orga.markdown
index b73b178f754d4d55685e9a39e63c1354aadb3b09..b51c67d141c988bf1a1fd7e3da94a0d615ab627e 100644
--- a/_events/2018-08-16-ffhl-orga.markdown
+++ b/_events/20180816-ffhl-orga.markdown
@@ -1,8 +1,10 @@
 ---
+layout: event
 title:  "FFHL Orga"
 image: "/assets/ff.jpg"
-date:   2018-08-16 19:00:00 +0200
-location:
+eventdate:   2018-08-16 19:00:00 +0200
+poster: test4
+locations:
  - Augenprüfraum
 short: "Monatliches Treffen der Freifunk-Lübeck Orga-Gruppe."
 ---
diff --git a/_events/2018-08-21-netzpolitik.markdown b/_events/20180821-netzpolitik.markdown
similarity index 71%
rename from _events/2018-08-21-netzpolitik.markdown
rename to _events/20180821-netzpolitik.markdown
index 867d231f3de012dd3a43877533d93f2f74ff5138..ff2c29afafc0395c0bb2e83bb3a29684bcad0d6e 100644
--- a/_events/2018-08-21-netzpolitik.markdown
+++ b/_events/20180821-netzpolitik.markdown
@@ -1,8 +1,10 @@
 ---
+layout: event
 title:  "Netzpolitischer Abend des Chaotikums"
 image: "/assets/blog.jpg"
-date:   2018-08-21 19:00:00 +0200
-location:
+eventdate:   2018-08-21 19:00:00 +0200
+poster: test5
+locations:
  - Augenprüfraum
 short: "Wir laden ein zum Netzpolitischen Abend. Thema wird die EU-Urheberrechtsreform sein."
 ---
diff --git a/_events/2018-08-22-openspace.markdown b/_events/20180822-openspace.markdown
similarity index 95%
rename from _events/2018-08-22-openspace.markdown
rename to _events/20180822-openspace.markdown
index 8f2ceea2dfde89d34301c281ffb0e06e85c65dfd..a2e0a7ca9208840b7c116245217e8798a1ef9344 100644
--- a/_events/2018-08-22-openspace.markdown
+++ b/_events/20180822-openspace.markdown
@@ -2,7 +2,7 @@
 title:  "Open Space/Chaostreff"
 image: "/assets/geloet.jpg"
 date:   2018-08-22 19:00:00 +0200
-location:
+locations:
  - Augenprüfraum
  - Wartezimmer
  - Lager
diff --git a/_events/2018-08-23-osm.markdown b/_events/20180823-osm.markdown
similarity index 94%
rename from _events/2018-08-23-osm.markdown
rename to _events/20180823-osm.markdown
index 73793d9eae1a0c64563a3ba00b85bb51bd8dd8e5..531871b3515fa8ff76ee7f0e392b013617e8dc04 100644
--- a/_events/2018-08-23-osm.markdown
+++ b/_events/20180823-osm.markdown
@@ -2,7 +2,7 @@
 title:  "113 OSM-Stammtisch"
 image: "/assets/osmback.png"
 date:   2018-08-23 19:00:00 +0200
-location:
+locations:
  - Augenprüfraum
 short: "Monatlicher Stammtisch von und für Open Street Map Begeisterte"
 ---
diff --git a/_events/2018-08-24-freitalk.markdown b/_events/20180824-freitalk.markdown
similarity index 95%
rename from _events/2018-08-24-freitalk.markdown
rename to _events/20180824-freitalk.markdown
index 79929c2626da9793f0c0fd8e9d3183e0059629a7..e6cf3d9a8de7ba938a8d83000267e77f1f49201d 100644
--- a/_events/2018-08-24-freitalk.markdown
+++ b/_events/20180824-freitalk.markdown
@@ -2,7 +2,7 @@
 title:  "Freitalk: Filmabend - The Internets Own Boy"
 image: "/assets/wall.png"
 date:   2018-08-24 19:00:00 +0200
-location:
+locations:
  - Augenprüfraum
 short: "Wir schauen gemeinsam den Film 'The Internets Own Boy' im englischen Original."
 ---
diff --git a/_events/2018-08-29-openspace.markdown b/_events/20180829-openspace.markdown
similarity index 95%
rename from _events/2018-08-29-openspace.markdown
rename to _events/20180829-openspace.markdown
index c60d16f21a24075651ecc28cd09f4466132dea60..d8edb11ff93555e0912390f2915c83ba7c382ec8 100644
--- a/_events/2018-08-29-openspace.markdown
+++ b/_events/20180829-openspace.markdown
@@ -2,7 +2,7 @@
 title:  "Open Space/Chaostreff"
 image: "/assets/geloet.jpg"
 date:   2018-08-29 19:00:00 +0200
-location:
+locations:
  - Augenprüfraum
  - Wartezimmer
  - Lager
diff --git a/_events/2018-09-01-eroefnungsfeier.markdown b/_events/20180901-eroefnungsfeier.markdown
similarity index 94%
rename from _events/2018-09-01-eroefnungsfeier.markdown
rename to _events/20180901-eroefnungsfeier.markdown
index 1cf42a6f03e33316a74d3de8581327e5f8e4862a..1ea66c4df62e9080fa7e91dbcd5864131a86baf8 100644
--- a/_events/2018-09-01-eroefnungsfeier.markdown
+++ b/_events/20180901-eroefnungsfeier.markdown
@@ -2,7 +2,7 @@
 title:  "Eröffnungsfeier"
 image: "/assets/f11.jpg"
 date:   2018-09-01 14:00:00 +0200
-location:
+locations:
  - Augenprüfraum
  - Wartezimmer
  - Lager
diff --git a/_events/2018-09-05-openspace.markdown b/_events/20180905-openspace.markdown
similarity index 95%
rename from _events/2018-09-05-openspace.markdown
rename to _events/20180905-openspace.markdown
index 224b2fbe85bcfe1e70b9dda8b7e23a66e62836ed..b07f972d25dc94d1ab3c7466ad087a8e28ff7685 100644
--- a/_events/2018-09-05-openspace.markdown
+++ b/_events/20180905-openspace.markdown
@@ -2,7 +2,7 @@
 title:  "Open Space/Chaostreff"
 image: "/assets/geloet.jpg"
 date:   2018-09-05 19:00:00 +0200
-location:
+locations:
  - Augenprüfraum
  - Wartezimmer
  - Lager
diff --git a/_events/2018-09-12-openspace.markdown b/_events/20180912-openspace.markdown
similarity index 95%
rename from _events/2018-09-12-openspace.markdown
rename to _events/20180912-openspace.markdown
index 859b8f222c6bd98c82ab27ba64653a8868359dd9..7a99a92792340ce1037cbf2edd731dccc05b4403 100644
--- a/_events/2018-09-12-openspace.markdown
+++ b/_events/20180912-openspace.markdown
@@ -2,7 +2,7 @@
 title:  "Open Space/Chaostreff"
 image: "/assets/geloet.jpg"
 date:   2018-09-12 19:00:00 +0200
-location:
+locations:
  - Augenprüfraum
  - Wartezimmer
  - Lager
diff --git a/_events/2018-09-19-openspace.markdown b/_events/20180919-openspace.markdown
similarity index 95%
rename from _events/2018-09-19-openspace.markdown
rename to _events/20180919-openspace.markdown
index e03c4d7a8959716e583bf4a0429ef9bc884be16c..438d65584f840a9bd5eb1e6b84515b44c748e8a5 100644
--- a/_events/2018-09-19-openspace.markdown
+++ b/_events/20180919-openspace.markdown
@@ -2,7 +2,7 @@
 title:  "Open Space/Chaostreff"
 image: "/assets/geloet.jpg"
 date:   2018-09-19 19:00:00 +0200
-location:
+locations:
  - Augenprüfraum
  - Wartezimmer
  - Lager
diff --git a/_events/2018-09-26-openspace.markdown b/_events/20180926-openspace.markdown
similarity index 95%
rename from _events/2018-09-26-openspace.markdown
rename to _events/20180926-openspace.markdown
index e523b5f28e080719963f236d2f4c82a3ac6b3a23..ac65e1540296869a9ce44f1da49e0f28ed013cf9 100644
--- a/_events/2018-09-26-openspace.markdown
+++ b/_events/20180926-openspace.markdown
@@ -2,7 +2,7 @@
 title:  "Open Space/Chaostreff"
 image: "/assets/geloet.jpg"
 date:   2018-09-26 19:00:00 +0200
-location:
+location:s
  - Augenprüfraum
  - Wartezimmer
  - Lager
diff --git a/_events/2018-10-17-openspace.markdown b/_events/20181017-openspace.markdown
similarity index 95%
rename from _events/2018-10-17-openspace.markdown
rename to _events/20181017-openspace.markdown
index 84debeb8b5236747b41841ba87de1cbdec88734b..66140a57d70f8a39a50078b6b4ec8547b735d94a 100644
--- a/_events/2018-10-17-openspace.markdown
+++ b/_events/20181017-openspace.markdown
@@ -2,7 +2,7 @@
 title:  "Open Space/Chaostreff"
 image: "/assets/geloet.jpg"
 date:   2018-10-17 19:00:00 +0200
-location:
+locations:
  - Augenprüfraum
  - Wartezimmer
  - Lager
diff --git a/_events/2018-10-24-openspace.markdown b/_events/20181024-openspace.markdown
similarity index 95%
rename from _events/2018-10-24-openspace.markdown
rename to _events/20181024-openspace.markdown
index 604fc67e990c500b9eff599e143abdaf02d0b73c..6ede3169aeeec17436250b7d2e904776c5270ad2 100644
--- a/_events/2018-10-24-openspace.markdown
+++ b/_events/20181024-openspace.markdown
@@ -2,7 +2,7 @@
 title:  "Open Space/Chaostreff"
 image: "/assets/geloet.jpg"
 date:   2018-10-24 19:00:00 +0200
-location:
+locations:
  - Augenprüfraum
  - Wartezimmer
  - Lager
diff --git a/_events/2018-10-27-table-top-day.markdown b/_events/20181027-table-top-day.markdown
similarity index 95%
rename from _events/2018-10-27-table-top-day.markdown
rename to _events/20181027-table-top-day.markdown
index cd95a234fe06b41e5e4fb23a0ec6e32a2e6f9b20..0aecc62c60873f3c311be213b1c22b32bf89a2ee 100644
--- a/_events/2018-10-27-table-top-day.markdown
+++ b/_events/20181027-table-top-day.markdown
@@ -2,7 +2,7 @@
 title:  "Table Top Day"
 image: "/assets/geloet.jpg"
 date:   2018-10-31 19:00:00 +0200
-location:
+locations:
  - Augenprüfraum
  - Wartezimmer
  - Lager
diff --git a/_events/2018-10-31-openspace.markdown b/_events/20181031-openspace.markdown
similarity index 95%
rename from _events/2018-10-31-openspace.markdown
rename to _events/20181031-openspace.markdown
index 0b29ca78ae96f5b0ca713431d6df8be788679343..89b08a905a2c47eec54dc2b5aba35db4d6c9ee96 100644
--- a/_events/2018-10-31-openspace.markdown
+++ b/_events/20181031-openspace.markdown
@@ -2,7 +2,7 @@
 title:  "Open Space/Chaostreff"
 image: "/assets/geloet.jpg"
 date:   2018-10-31 19:00:00 +0200
-location:
+locations:
  - Augenprüfraum
  - Wartezimmer
  - Lager
diff --git a/_events/2018-11-07-openspace.markdown b/_events/20181107-openspace.markdown
similarity index 95%
rename from _events/2018-11-07-openspace.markdown
rename to _events/20181107-openspace.markdown
index a09b0fe9c75533667995bcc6fc043c178f956578..3244962fc9202935a8983f0cf21e5b0f9a6ec78d 100644
--- a/_events/2018-11-07-openspace.markdown
+++ b/_events/20181107-openspace.markdown
@@ -2,7 +2,7 @@
 title:  "Open Space/Chaostreff"
 image: "/assets/geloet.jpg"
 date:   2018-11-07 19:00:00 +0200
-location:
+locations:
  - Augenprüfraum
  - Wartezimmer
  - Lager
diff --git a/_events/2018-11-09-metanook.markdown b/_events/20181109-metanook.markdown
similarity index 95%
rename from _events/2018-11-09-metanook.markdown
rename to _events/20181109-metanook.markdown
index 786697702d55dc7b32fd210641e60f2cd15571db..581750726b20e7230836105ea13cbdfefe8b43db 100644
--- a/_events/2018-11-09-metanook.markdown
+++ b/_events/20181109-metanook.markdown
@@ -2,7 +2,7 @@
 title:  "MetaNook"
 image: "/assets/geloet.jpg"
 date:   2018-11-09 17:00:00 +0200
-location:
+locations:
  - Audimax Uni Lübeck
 short: "Abendfüllende Konferenz auf dem Campus der Uni Lübeck mit vielen Vorträgen, Ständen und spannenden Themen."
 ---
diff --git a/events.xml b/events.xml
index 6eb5755515b1198fbe5badba6531ffe396bf8bd5..606f3a2a4b868e192bbca346aab4e3581af70024 100644
--- a/events.xml
+++ b/events.xml
@@ -28,6 +28,9 @@ layout: null
         <description>{{ event.short | xml_escape }}</description>
         <link>{{ event.url | prepend: site.baseurl | prepend: site.url }}</link>
         <guid isPermaLink="true">{{ event.url | prepend: site.baseurl | prepend: site.url }}</guid>
+        {% if event.poster and event.poster != "" and event.poster != nil %}
+          <poster>{{ event.poster }}</poster>
+        {% endif %}
         {% for location in event.locations %}
         <category>{{ location | xml_escape }}</category>
         {% endfor %}