silver530

This light-weight plugin adds a new column to the Posts page of WordPress that shows the featured image of a post. It is useful to see the post thumbnail without going to the editing screen.

Post Thumbnail Column

Just need to install it and don't have to settings at all.



Simple but awesome

Adds a new column to posts list for featured images.

PiotrPress

Clearcode

This plugin adds the <code>[img]</code> shortcode which replaces the <code><img></code> html tag. It’s also enables adding new media to post/page via the ‘Add media’ button by automatically inserting the formatted shortcode code to the editor. 
You can simply add the <code>[img]</code> shortcode with a media ID to display:
<pre><code>[img 123 /]
</code></pre>
or a fully formatted <code>[img]</code> shortcode:
<pre><code>[img 123 align="center" size="full" caption="Sample text" title="Sample text" desc="Sample text" alt="Sample text" url="http://example.com/" /]
</code></pre>
It’s supports <code>srcset</code> and <code>sizes</code> parameters.
<h4>Tips & Tricks</h4>
You can use your own html template file for displaying the <code>img</code> tag by using filter:
<pre><code>add_filter( 'Clearcode\IMG_Shortcode\template', function() { return '/themes/clearcode.cc/templates/img.php'; } );
</code></pre>

CC-IMG-Shortcode

This plugin adds the [img] shortcode which replaces the `` html tag.

Post Thumbnail Column vs CC-IMG-Shortcode