Provides a widget that displays the featured image for a post or page, if a featured image has been set.
Automatically generates the featured image (Post Thumbnail) for a post, page or custom post type if it does not have one.
Adds drag & drop to post thumbnail widget in admin.
Makes post thumbnails link to post with post title as image title
Allow to publish post thumbnails on sidebar and on RSS.
Display a default thumbnail for posts with no specific thumbnail set using the new functionality (the_post_thumbail() function) in wordpress 2.9