This plugin adds the possibility to mass upload images to a <a href="https://wordpress.org/extend/plugins/yet-another-photoblog/" title="Yet Another Photoblog" rel="ugc">YAPB</a>-enabled blog using the WordPress flash-uploader.
When this plugin is enabled, a new page name ‘YAPB Bulk’ is added to the Posts menu. From here you can select multiple images which will be then uploaded to your blog. A few options can be set before each upload:
<ul>
<li>Use the image EXIF date, or your own date as post date,</li>
<li>Use IPTC information to fill the post’s title, content and tags. If not set, the image filename will be used as post title,</li>
<li>Set the post status (draft or published),</li>
<li>Define the category to post in,</li>
<li>Set the author to post as.</li>
</ul>
Note: Your blog must have <a href="https://wordpress.org/extend/plugins/yet-another-photoblog/" title="Yet Another Photoblog" rel="ugc">YAPB</a>. installed and enabled for this plugin to work correctly.

YAPB Bulk Uploader

This plugin adds the possibility to mass upload images to a YAPB-enabled blog using the WordPress flash-uploader.

Uploads photos from WordPress posts to Flickr. 
It works with standard WordPress media and with YAPB plugin (recomended). 
Perfect for photoblogging.
<h4>Typical usage</h4>
<ul>
<li>Anytime you publish a new post it will be uploaded to flickr.</li>
</ul>

wp2flickr

Uploads photos from WordPress posts to Flickr. It works with standard Wordpress media and with YAPB plugin (recomended).

YAPB Bulk Uploader vs wp2flickr