If you want to control which image appears in Facebook and LinkedIn or other social site likes, you should use the following code, and place it inside the head tags:
<!–*******OPEN GRAPH THUMBNAIL CODE*******–>
<meta property=”og:title” content=”Old Fashioned Letter – You type it, we mail it.”>
<meta property=”og:description” content=”Type your letter into our website, and we will print it and mail it to you using archive-quality materials.”>
<meta property=”og:image” content=”http://122.160.205.84/oldfashionedletter/wp-content/uploads/2013/12/Latte-Letter-big-300×273.jpg”>
<meta property=”og:image:type” content=”image/jpeg”>
<meta property=”og:image:width” content=”1500″>
<meta property=”og:image:height” content=”1500″>
To test, go to the following link click>