brasofilo

The OG image will be downloaded to your site and set as Featured Image of the newly created post.
From <a href="http://ogp.me/" rel="nofollow ugc">ogp.me</a>:
<blockquote>
The Open Graph protocol enables any web page to become a rich object in a social graph. For instance, this is used on Facebook to allow any web page to have the same functionality as any other object on Facebook.
</blockquote>
Translations: Português – Español. 
Released under GPL, you can use it free of charge on your personal or commercial blog.
<h3>Acknowledgments</h3>
<ul>
<li>Everything changed after <a href="http://wordpress.stackexchange.com/users/12615/brasofilo" rel="nofollow ugc">WordPress Stack Exchange</a></li>
</ul>

Post from Open Graph

Enter a URL and if the page has Open Graph information you can publish a post wiht it.

gqevu6bsiz

This plugin to show announce for per user roles.
And, if you want to change plugin capability, please refer to this code.
For example add filter:
<pre><code>function afd_custom_change_capability( $capability ) {
 // plugin minimum capability
 $capability = 'edit_posts';
 return $capability;
}
add_filter( 'afd_capability_manager' , 'afd_custom_change_capability' );
</code></pre>
And, if you want to add filter, please refer to this code.
For example add filter:
<pre><code>function afd_custom_filter( $announces ) {
 // filter
 return $announces;
}

add_filter( 'afd_before_announce' , 'afd_custom_filter' );
</code></pre>
<h3>日本語でのご説明(Japanese description)</h3>
このプラグインは、ダッシュボードにお知らせを表示するプラグインです。 
ユーザーの権限グループ別に、編集者のみへの表示、 
投稿者と寄稿者と購読者のみに表示する設定もできます。

Post from Open Graph vs Announce from the Dashboard