Featured images, also called post thumbnails are used for representing contents like posts, pages and other custom post types etc.The featured image can be easily assigned from post edit screen (see how), these are also used by many themes and plugins for enhancing your content presentation. In this tutorial we are listing some of the best plugins you may use for extending the default thumbnails feature in WordPress.
Video Thumbnails
Video Thumbnails simplifies the process of automatically displaying video thumbnails in your WordPress template.
Featured Image via URL
Featured Image via URL is a plugin to generate the featured image of post from the image url specified. The image will be fetched back and saved into the Media Library with all supported sizes. If the featured image is already present, the plugin will do nothing.
Nelio External Featured Image
Use external images from anywhere as the featured image of your pages and posts.
Thumbnails for Backend
Simple plugin to add thumbnails to your Posts list within the WordPress backend.
Multiple Post Thumbnails
Adds multiple post thumbnails to a post type. If you’ve ever wanted more than one Featured Image on a post, this plugin is for you.
Drag & Drop Featured Image
Drag & Drop Featured Image is a plugin that replaces the default featured image metabox with a drop zone for faster and more convenient uploads.
AJAX Thumbnail Rebuild
AJAX Thumbnail Rebuild allows you to rebuild all thumbnails at once without script timeouts on your server.
Post Thumbnail Editor
Fed up with the lack of automated tools to properly crop and scale post thumbnails? Maybe this plugin can help.
Featured Image from Google Images
A quick and easy way to set feature image from Google image search.