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

yu-ji

hiddentao

WordPress Flickr Embed is a WordPress plugin that provides an interactive interface for adding Flickr images to your posts. The interface is conveniently launched from the visual editor toolbar.
This is a fork of the (https://wordpress.org/extend/plugins/wordpress-media-flickr/) plugin for WordPress and provides numerous bug fixes and enhancements over the original.
<h4>Features</h4>
<ul>
<li>Search for an select any public photo or a private one from your photostream (requires Flickr authorization).</li>
<li>Sort search results by date taken or date posted</li>
<li>Insert a photo anywhere in your post, choosing its title, size and how it should be aligned to the text.</li>
<li>Link the photo back to its Flickr page or to a different-sized version of itself.</li>
<li>Supports Lightbox and Lightview popups.</li>
</ul>
Source on Github: https://github.com/hiddentao/wp-flickr-embed
Note: This plugin requires PHP 5.2.

WordPress Flickr Embed

Wordpress Flickr Embed is a Wordpress plugin that provides an interactive interface for adding Flickr images to your posts.

Get Flickr Thumbnails vs WordPress Flickr Embed