Vlad

While being tailored for <a href="https://iplayerhd.com/cms/refer/10235175-966c-4d78-a75d-04c6159c0e02" rel="nofollow ugc">iPlayerHD Video Hosting</a> users, the plugin should work 
with any video which can be embedded via an iframe. Simply set the width and height attributes to fit 
your video’s format and you’re all set!
<a href="https://iplayerhd.com/cms/refer/10235175-966c-4d78-a75d-04c6159c0e02" rel="nofollow ugc">iPlayerHD</a> users can get a shortcode link with all of the required parameters 
automatically though the <a href="https://iplayerhd.com/cms/refer/10235175-966c-4d78-a75d-04c6159c0e02" rel="nofollow ugc">iPlayerHD</a> CMS.
<a href="https://iplayerhd.com/cms/refer/10235175-966c-4d78-a75d-04c6159c0e02" rel="nofollow ugc">iPlayerHD</a> users also get additional options such as playlist embeds and popup embeds.
<h4>Shortcode examples:</h4>
[iplayerhd src=”https://www.youtube.com/watch?v=dQw4w9WgXcQ”] – by omitting width and height parameters the video is embedded in 16:9 format
[iplayerhd src=”//iplayerhd.com/player/video/5ae4df93-5734-4e29-9f2e-15ff9056b7e4?cbartype=auto” width=”1024″ height=”768″]
<h4>Shortcode parameters:</h4>
<ul>
<li>src – source of the iframe, defaults to: http://iplayerhd.com/player/video/5ae4df93-5734-4e29-9f2e-15ff9056b7e4?cbartype=auto</li>
<li>width – width of video in pixels, defaults to 640 – if the video is in 16:9 format you can omit this parameter</li>
<li>height – height of video in pixels, defaults to 360 – if the video is in 16:9 format you can omit this parameter</li>
<li>popup – for <a href="https://iplayerhd.com/cms/refer/10235175-966c-4d78-a75d-04c6159c0e02" rel="nofollow ugc">iPlayerHD</a> users only – embeds a thumbnail which opens the video in a lightbox-style popup, defaults to ‘false’</li>
<li>player-mode – for <a href="https://iplayerhd.com/cms/refer/10235175-966c-4d78-a75d-04c6159c0e02" rel="nofollow ugc">iPlayerHD</a> users only – possible values: ‘video’, ‘playlistRight’, ‘playlistBottom’ – user for embedding iPlayerHD playlists, defaults to ‘video’</li>
</ul>

Free Responsive iframe Video Embeds

Use the [iplayerhd] shortcode to easily add responsive iframe-based video embeds to your website (YouTube, Vimeo, iPlayerHD and more...)

firimar

This basic plugin adds the Magnific Popup lightbox script to wordpress site and works with single images, iframe links and dialogs.
All you need to do to use Magnific Popup on a link is to add specific css class to ‘a’ tag. CSS class names can be configured on settings page.
For images you can use alt attribute to add captions.
Thanks to Dmitry Semenov for the original script: http://dimsemenov.com/plugins/magnific-popup/
This plugin is only basic version and does not support all features of Magnific Popup yet.
Plugin provides following functionality:
<ul>
<li>Single image popup.</li>
</ul>
Usage example html: 
 <a href="http://site.com/full-size.jpg" rel="nofollow ugc"></a>
<ul>
<li>Image gallery popup with navigation.</li>
</ul>
Usage example html:
 <a href="http://site.com/full-size-1.jpg" title="title1" rel="nofollow ugc"></a> 
 <a href="http://site.com/full-size-2.jpg" title="title2" rel="nofollow ugc"></a> 
 <a href="http://site.com/full-size-3.jpg" title="title3" rel="nofollow ugc"></a> 
 <a href="http://site.com/full-size-4.jpg" title="title4" rel="nofollow ugc"></a>
<ul>
<li>Iframe popup (can contain external page, youtube video, google map, etc.)</li>
</ul>
Usage example html: 
 <a href="http://www.youtube.com/watch?v=b0FhD19zj4I" rel="nofollow ugc">Video</a> 
 <a href="https://maps.google.com/maps?q=221B+Baker+Street,+London,+United+Kingdom&hl=en&t=v&hnear=221B+Baker+St,+London+NW1+6XE,+United+Kingdom" rel="nofollow ugc">Google Map</a>
<ul>
<li>Dialog popup (pops up a div from the current page)</li>
</ul>
Usage example html: 
 <a href="#dialog" rel="nofollow ugc">Dialog
 Test dialog content
 </a>

WP Magnific Popup

Plugin to add the Magnific Popup lightbox script to wordpress site for single images, image galleries, video, maps, dialog popups and other.

Free Responsive iframe Video Embeds vs WP Magnific Popup