yu-ji

You can post with flickr photo, on visual editor toolbar. 
It’s very interactive interface than other plugins.
The plugin support the following languages.
<ul>
<li>English</li>
<li>Japanese</li>
</ul>

WordPress Media Flickr

You can post with flickr photo, on visual editor toolbar.

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.

WordPress Media Flickr vs WordPress Flickr Embed