diff --git a/images/polymer-day-promo-image.png b/images/polymer-day-promo-image.png
new file mode 100644
index 0000000..1e3a413
Binary files /dev/null and b/images/polymer-day-promo-image.png differ
diff --git a/index.html b/index.html
index ca2015e..abcc31f 100644
--- a/index.html
+++ b/index.html
@@ -40,12 +40,14 @@
   <meta property="og:type" content="profile">
   <meta property="og:title" content="Polymer Day Madrid | 21-22 Octubre 2016">
   <meta property="og:description" content="Polymer Day Madrid, el primer evento en España dedicado a los Web Components y Polymer. ¿Te lo vas a perder?">
-  
-  <meta name="twitter:card" content="summary">
+  <meta property="og:image" content="/images/polymer-day-promo-image.png">
+
+  <meta name="twitter:card" content="summary_large_image">
   <meta name="twitter:site" content="@PolymerDay">
   <meta name="twitter:title" content="Polymer Day">
   <meta name="twitter:description" content="Polymer Day Madrid, el primer evento en España dedicado a los Web Components y Polymer. ¿Te lo vas a perder?">
-<meta name="twitter:image:alt" content="Logo Polymer Day">
+  <meta name="twitter:image" content="/images/polymer-day-promo-image.png">
+  <meta name="twitter:image:alt" content="Polymer Day Madrid | 21-22 Octubre 2016">
 
   <link href="https://fonts.googleapis.com/css?family=Roboto:100,300,400|Roboto+Condensed" rel="stylesheet" type="text/css">
   <script>