Your time-saving Swiss Army Knife for featured images: Set, replace and delete them in bulk, in posts lists and set default images for future posts.
File Gallery extends WordPress media (attachments) capabilities by adding a new gallery shortcode handler with templating support (and much more).
Allows detaching images and other media from posts, pages and other content types.
Allows to unattach and reattach images and other attachments from within the media library page.
This plugin will allow you to attach a single file to multiple posts, but will also will allow you to detach any file.
Allows attaching and detaching images and other media to/from posts, pages and other content types.
Take control of your media. Access all image sizes at the image insert and image link to field. See all attached images in your post listing page.