Grant Mangham

Unfeature simply associates a checkbox with the featured image of a specific post, allowing you to control whether or not this image will show on the single template.

Unfeature

Simply associates a checkbox with the featured image, allowing it to be skipped on single posts.

bjovaar

Plugin for WordPress that the add thumbnail image from post in the post and page list in admin area.

Show Thumbnail Image In Admin Post / Page List

Used this plugin twice so far and it does exactly what its supposed to, it just works and its perfect what what i was trying to achieve.

Just Works!

STIAP Plugin for Wordpress that the add column for thumbnail image from post and page in the post / page list in admin area.

Unfeature vs Show Thumbnail Image In Admin Post / Page List