diff --git a/static/css/style.css b/static/css/style.css
index 4ecc40a..54590a4 100644
--- a/static/css/style.css
+++ b/static/css/style.css
@@ -1,5 +1,6 @@
 body {
-  background-image: url(/static/img/wallpaper.png);
+  background-image: url(/static/img/ticketfrei-og-image.jpg);
+  background-size: 50%;
   font-family: Verdana, Arial, Helvetica, sans-serif;
   font-size: 12pt;
   line-height: 1.5em;
diff --git a/static/img/ticketfrei-og-image.jpg b/static/img/ticketfrei-og-image.jpg
new file mode 100644
index 0000000..3fd0614
Binary files /dev/null and b/static/img/ticketfrei-og-image.jpg differ
diff --git a/template/wrapper.tpl b/template/wrapper.tpl
index d8afb75..856bc2a 100644
--- a/template/wrapper.tpl
+++ b/template/wrapper.tpl
@@ -2,7 +2,7 @@
     <title>Ticketfrei - {{get('title', 'A bot against control society!')}}</title>
     <meta name='og:title' content='Ticketfrei'/>
     <meta name='og:description' content='A bot against control society! Nobody should have to pay for public transport. Find out where ticket controllers are!'/>
-    <meta name='og:image' content="https://ticketfrei.links-tech.org/static/img/ticketfrei-og-image.png"/>
+    <meta name='og:image' content="https://ticketfrei.links-tech.org/static/img/ticketfrei-og-image.jpg"/>
     <meta name='og:image:alt' content='Ticketfrei'/>
     <meta name='og:type' content='website' />
     <link rel='stylesheet' href='/static/css/style.css'>