title: Post image link with Facebook C# SDK problem
body: <p>I try to post my image link to Facebook fan page using Facebook C# SDK.</p>
  
  <pre><code>var client = new FacebookClient(this._accessToken);
  dynamic parameters = new ExpandoObject();
  parameters.message = "Check out this funny article";
  parameters.link = "http://photos-f.ak.fbcdn.net/hphotos-ak-snc6/260418_185563101499189_124421460946687_425466_2105002_t.jpg";
  parameters.picture = "http://photos-f.ak.fbcdn.net/hphotos-ak-snc6/260418_185563101499189_124421460946687_425466_2105002_t.jpg";
  parameters.name = "My Picture";
  parameters.caption = "My Picture Caption";
  parameters.description = "";
  dynamic result = client.Post("{Fan page ID}/feed", parameters);
  </code></pre>
  
  <p>An error occur like below.</p>
  
  <blockquote>
    <p>(OAuthException) (#100) FBCDN image is not allowed in stream:
    <a href="http://photos-f.ak.fbcdn.net/hphotos-ak-snc6/260418_185563101499189_124421460946687_425466_2105002_t.jpg" rel="nofollow">http://photos-f.ak.fbcdn.net/hphotos-ak-snc6/260418_185563101499189_124421460946687_425466_2105002_t.jpg</a></p>
  </blockquote>
  
  <p>But if i set "picture" parameter to empty string it work perfectly.</p>
  
  <p>How could i fix this problem?</p>