Linus Lundahl

Good Old Gallery is a WordPress plugin that helps you upload image galleries that can be used on more than one page/post, it utilizes the built in gallery functionality in WP. Other features include built in Flexslider and jQuery Cycle support and Widgets.
<h4>Main features</h4>
<ul>
<li>Uses built in WP gallery functionality.</li>
<li><a href="http://www.woothemes.com/flexslider/" rel="nofollow ugc">Flexslider</a> or <a href="http://jquery.malsup.com/cycle/" rel="nofollow ugc">jQuery Cycle</a>.</li>
<li>Shortcode generator.</li>
<li>Widgets.</li>
<li>Stylesheet theme support, per gallery.</li>
<li>Create your own themes.</li>
<li>Instant on, no need for coding.</li>
<li>Plus much more…</li>
</ul>

Good Old Gallery

Good Old Gallery helps you use galleries on multiple pages and posts, it also uses jQuery plugins for sliding and fading transitions.

eugenealegiojo

The plugin that will let admin user to add download links to any posts/pages in simplest way and hassle free. 
Allows all your site visitors to download any files from your website without any user restriction.
<h4>Features</h4>
<ul>
<li>Downloader button is available in your admin content editor for post, page or post type. Shortcode will be generated automatically.</li>
<li>Insert download links manually via shortcode [media-downloader] to any posts, pages or custom post types. Check for more parameters below (Embedding).</li>
<li>Allow users to directly download in all file formats for free.</li>
<li>No file size limit for downloads. 
For more information please check the <a href="http://phplugins.softanalyzer.com/simple-file-downloader/" rel="nofollow ugc">Simple File Downloader</a> documentation page</li>
</ul>
<h4>Embedding / generated Shortcodes</h4>
Create a new post/page and click the ‘Add Download’ button from the content editor, then generate the shortcode below:
<pre><code>[media-downloader media_id="9" texts="Download Now!"]
</code></pre>
Media id is automatically added from your media library.
Here are the all the available parameters when generating shortcode for file download:
texts
If you choose to leave the texts parameter empty, then it be defaulted to ‘Download File’.
image_url
You can also use image/button as your download link. If you supplied this parameter, then texts parameter will be replaced by this image.
<pre><code>[media-downloader media_id="9" image_url="http://domain.com/wp-content/themes/images/button.png"]
</code></pre>
class
You can add class to your download link either a texts or image button. This is useful if you want to apply your own style.
<pre><code>[media-downloader media_id="9" texts="Download PDF" class="download-pdf"]
</code></pre>
display_filesize
You also have an option to display the size of the file. Just set it to ‘yes’
<pre><code>[media-downloader media_id="9" texts="Download PDF" display_filesize="yes"]
</code></pre>

Simple File Downloader

Simplest way to add download links into your posts/pages.

Good Old Gallery vs Simple File Downloader