Tobias Nyholm

Prevents an user to publish a post without a thumbnail. If a user presses the publish button without a thumbnail, the post will 
be saved as a draft. For more information see installation page or the 
<a href="http://www.webfish.se/wp/plugins/require-thumbnail" title="Webfish - WordPress plugin" rel="nofollow ugc">Webfish</a> homepage.

Require Thumbnail

Prevents an user to publish a post without a thumbnail.

Version 0.91 update:It works for non flickr.com images,have fun! Get Flickr Thumbnails plugin can get thumbnails for photos on your site that from flickr.com,you can choose recent or random mode,and it will link to your own post.

Get Flickr Thumbnails

Get Flickr Thumbnails plugin can get thumbnails for photos on your site that from flickr.com

Require Thumbnail vs Get Flickr Thumbnails