robfelty

Allows you to browse all images on your blog by date and/or category, with the 
ability to also search image captions for keywords.
<h4>Options</h4>
The image browser plugin has 3 places where you can specify options.
<ol>
<li>adminstration menu</li>
<li>shortcode</li>
<li>url query parameters</li>
</ol>
These are listed in ascending order of precedence, that is, url query 
parameters override any shortcode parameters, which override default options 
specified in the administration settings page.
Default options are listed below
<pre><code> $defaults = array(
 'limit' => 30,
 'cols' => 3,
 'size' => 'thumbnail',
 'year' => 0,
 'month' => 0,
 'category' => 0,
 'keywords' => '',
 'sortby' => 'post_date',
 'sortorder' => 'DESC',
 'page' => 1
 );
</code></pre>
<ul>
<li>
limit – how many images to display at one time
</li>
<li>
cols – the number of columns for the image browser
</li>
<li>
size – size of picture to display. Available options:
<ul>
<li>thumbnail (default)</li>
<li>medium</li>
<li>large</li>
<li>full</li>
</ul>
</li>
<li>
year – retrieve images from this year
<ul>
<li>0 means all years (default)</li>
<li>current displays the current year</li>
</ul>
</li>
<li>
month – retrieve images from this month
<ul>
<li>0 means all months (default)</li>
<li>current displays the current month</li>
</ul>
</li>
<li>
category – retrieve images whose post_parent belongs to this category
<ul>
<li>0 means all categories (default)</li>
</ul>
</li>
<li>
keywords – Search image captions for these keywords
<ul>
<li>0 means all categories (default)</li>
</ul>
</li>
<li>
sortby – Field to sort by. Available options:
<ul>
<li>post_date (The image date) (default)</li>
<li>post_title (The image title)</li>
<li>post_excerpt (The image caption)</li>
</ul>
</li>
<li>
sortorder – Order to sort by. Available options:
<ul>
<li>ASC – ascending order</li>
<li>DESC – descending order</li>
<li>RANDOM – random order</li>
</ul>
</li>
<li>
page – which page to show
</li>
</ul>
<h4>Example</h4>
Here is an example shortcode to display all images from 2009 that belong to 
posts with category 10 
[imagebrowser year=2009 category=10]

Image Browser

Allows you to browse all images on your blog by date and/or category, with the ability to also search image captions for keywords.

Mindshare Labs, Inc.

A highly customizable AJAX-based WordPress search bar alternative with the ability to autocomplete <a href="http://en.wikipedia.org/wiki/Faceted_search" rel="nofollow ugc">faceted search queries</a>. Users can quickly and dynamically browse through your site’s taxonomies and post metadata to find exactly what they’re looking for, and results can be loaded beneath the search bar instantly.
<h4>Features</h4>
<ul>
<li>Searches post title and body content</li>
<li>Can search by multiple keywords, and by full phrases</li>
<li>Highlights search terms in results</li>
<li>Option to send search queries as events to your Google Analytics account</li>
<li>Facets by post category</li>
<li>Can search in multiple categories (OR or AND search)</li>
<li>Category options are dynamically generated and autocompleted as you type</li>
<li>Attractive and lightweight interface based on jQuery, Backbone.js, and the VisualSearch.js library</li>
<li>Customizable results template using standard WordPress functions</li>
<li>Search through an unlimited number of user-specified taxonomies and meta fields (including data contained in Advanced Custom Fields).</li>
<li>Conduct radius searches against data stored in the ACF Map field (i.e. search for posts within x km of a user-specified location).</li>
</ul>

WP Ultimate Search

Powerful AJAX-based search alternative which supports faceting queries by taxonomies, terms, location, and post metadata.

Image Browser vs WP Ultimate Search