This plugin allows you to display all images from selected galleries created using the NextGen Gallery plugin. Images are displayed in full size.
Use shortcode [nggimages id=gallery_id] in your post/page. 
More options on “Installation” tab.

NGGImages

This plugin allows you to display all images from selected galleries created using the NextGen Gallery plugin.

Koen Schuit

<h4>NextGEN Gallery – Search Galleries</h4>
NextGEN Gallery – Search Galleries adds a search option to the existing NextGEN Gallery menu.
With this search option you can quickly and easily search through your galleries so you don’t have to go through a whole listst of galleries. 
The output of the search will show in a table similar to the manage galleries page and will provide a link to that gallery.
NextGEN Gallery – Search Galleries even adds an option to search in the description which can be helpfull if you don’t remember the name.
And NextGEN Gallery – Search Galleries also has the ability to search for part of the name or description. 
For instance: int will find internet, but also winter, ballpoint, saints etc.
Please note: this plugin requires NextGEN Gallery installed.
<h4>Key features:</h4>
<ol>
<li>Find galleries easily!</li>
<li>Search for name or description.</li>
<li>Outputs a link to the gallery.</li>
</ol>

NextGEN Gallery Search

Search a gallery within the NextGEN galleries including description search.

NGGImages vs NextGEN Gallery Search