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.

JohnnyPea

Automatic adding of random thumbnails to the posts without featured image based on images from media gallery.
Are you missing something or isn’t it working as expected ? I am open to suggestions to improve the plugin !
Thanks the <a href="http://wp.sk/" rel="nofollow ugc">Slovak WordPress community</a> and <a href="http://www.webikon.sk/" rel="nofollow ugc">webikon.sk</a> for the support. You can find free support for WordPress related stuff on <a href="http://www.techforum.sk/" rel="nofollow ugc">Techforum.sk</a>. For more information about me check out my <a href="http://johnnypea.wp.sk/" rel="nofollow ugc">personal page</a>.

Random Post Thumbnail

Easy way to add random featured images to your posts.

Require Thumbnail vs Random Post Thumbnail