added social networks cards image (#105)

diff --git a/index.html b/index.html
index ebb6614..6fcab77 100644
--- a/index.html
+++ b/index.html
@@ -18,13 +18,13 @@
     <meta name="twitter:site" content="@mozillavr" />
     <meta name="twitter:title" content="Check out my moves on aframe.io/a-saturday-night!">
     <meta name="twitter:description" content="A-Saturday-Night from Mozilla VR! Share your dance with the world in VR.">
-    <meta  name="twitter:image" id="twitterimg" content="http://aframe.io/a-saturday-night/assets/logo-small.png">
+    <meta  name="twitter:image" id="twitterimg" content="http://aframe.io/a-saturday-night/socialimg.jpg">
 
     <meta property="og:url" content="http://aframe.io/a-saturday-night" />
     <meta property="og:type" content="article" />
     <meta property="og:title" content="Check out my moves on aframe.io/a-saturday-night!" />
     <meta property="og:description" content="A-Saturday-Night from Mozilla VR! Share your dance with the world in VR." />
-    <meta property="og:image" id="facebookimg" content="http://aframe.io/a-saturday-night/assets/logo-small.png" />
+    <meta property="og:image" id="facebookimg" content="http://aframe.io/a-saturday-night/socialimg.jpg" />
 
     <link rel="apple-touch-icon-precomposed" sizes="57x57" href="apple-touch-icon-57x57.png" />
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="apple-touch-icon-114x114.png" />
diff --git a/socialimg.jpg b/socialimg.jpg
new file mode 100644
index 0000000..3effe86
--- /dev/null
+++ b/socialimg.jpg
Binary files differ