Denis

Allows your users to add posts with images by anonymous, without any registration and authorization. 
From any page of your blog, where you place the form.
<ul>
<li>You can disable image upload option at plugin options page.</li>
<li>You can set your own template for generating post. Simply from options page.</li>
</ul>
<h3>Thanks</h3>
Uses <a href="http://blueimp.github.io/jQuery-File-Upload/" title="jQuery File Upload" rel="nofollow ugc">jQuery File Upload</a> by Sebastian Tschan for image transfer.

Azz Anonim Posting

Allows your users to add posts with images by anonymous, without any registration and authorization.

shahpranaf

There are instances when one wants to show featured image on single post and hide it on another post. 
This plugin will allow you to show or hide featured image from single post page. It supports custom post types also.
For any query or details please visit <a href="http://shahpranav.com/2015/05/hide-featured-image-on-single-post/" rel="nofollow ugc">Plugin Home</a>

Hide Featured Image

To Hide Featured Image on single post/page.

Azz Anonim Posting vs Hide Featured Image