Sajed Ahmed

This plugin is used for add a custom column field to post screen like post title,post category etc.This plugin is create a new column 
named “Featured Image” and the content is the particular post’s feature image which is uploaded by the wp-admin Post page.When this plugin activated you will see the Featured Image box at bottom right side of Add New Post page and also you’ll see the new “Featured Image” 
column on the manage Posts screen.

Wp-ImageColumn

Add featured image Column to the WP Posts Screen

Duc Bui

WP Default Feature Image brings the features that help you to specify the default feature image for your WordPress website. All Post Types and Taxonomies are supported.
Features included:
<ul>
<li>Specifying default feature images by any post types and taxonomies.</li>
<li>Specifying the time a default feature image will be updated whenever you add/edit your posts (publish, save draft,…).</li>
<li>Generating default feature images feature.</li>
</ul>

WP Default Feature Image

Help you to choose default feature images for any post types, categories, tags,...

Wp-ImageColumn vs WP Default Feature Image