diff --git a/caddy.json b/caddy.json
index d9a4acc..9b0447b 100644
--- a/caddy.json
+++ b/caddy.json
@@ -39,7 +39,7 @@
         "name": "Etherpad"
       },
       {
-        "image": "pictures/platzhalter.jpg",
+        "image": "pictures/ethercalc.png",
         "button": "btn-primary",
         "link": "https://calc.wiai.de",
         "name": "Ethercalc"
@@ -81,7 +81,7 @@
         "name": "Redmine"
       },
       {
-        "image": "pictures/platzhalter.jpg",
+        "image": "pictures/padliste.png",
         "button": "btn-primary",
         "link": "https://intern.wiai.de/list-pads/",
         "name": "Pad List"
@@ -145,9 +145,9 @@
         "name": "Feki.de"
       },
       {
-        "image": "pictures/platzhalter.jpg",
+        "image": "pictures/online_dienste.png",
         "button": "btn-primary",
-        "link": "http://www.uni-bamberg.de/leistungen/studium/online_dienste",
+        "link": "https://zul.zuv.uni-bamberg.de/",
         "name": "Online Dienste"
       },
       {
@@ -163,19 +163,19 @@
         "name": "Virtueller Campus"
       },
       {
-        "image": "pictures/platzhalter.jpg",
+        "image": "pictures/auslandsamt.png",
         "button": "btn-primary",
         "link": "http://www.uni-bamberg.de/auslandsamt",
         "name": "Auslandsamt"
       },
       {
-        "image": "pictures/platzhalter.jpg",
+        "image": "pictures/univis.png",
         "button": "btn-primary",
         "link": "http://univis.uni-bamberg.de/",
         "name": "Univis"
       },
       {
-        "image": "pictures/platzhalter.jpg",
+        "image": "pictures/unibib.png",
         "button": "btn-primary",
         "link": "https://www.uni-bamberg.de/ub",
         "name": "Uni Bib"
@@ -210,7 +210,7 @@
     "sitename": "sowi",
     "sites": [
       {
-        "image": "pictures/platzhalter.jpg",
+        "image": "pictures/sowi.png",
         "button": "btn-primary",
         "link": "https://www.uni-bamberg.de/sowi/fs",
         "name": "Sowi Homepage"