The Magnify application gateway for WordPress enables you to access Magnify’s powerful video discovery and multimedia capabilities within the context of the blogging platform you know and love.
Magnify Publisher is the first native blog application that enables bloggers to search for video, text, and images, using key words and tags, and also embed the desired content directly into a post without ever leaving the Movable Type dashboard. Magnify Publisher also features the ability to shoot and publish videoblog posts using a WebCam.
The Magnify Publisher’s video discovery features allow for fast search embed from YouTube, AOL, Yahoo, BlipTV, Metacafe, DailyMotion, ClipSyndicate, Google Video, Veoh, Red Lasso, and more. Image search is included for Flickr.
Magnify.net is the leading online video discovery and broadcast platform for websites, groups and businesses, with more than 36,000 sites already using the Magnify.net video framework. Magnify Publisher extends Magnify.net’s unique features to the blogosphere and provides a free suite of new resources and timesaving services.
For more information, visit http://www.magnify.net/wp/

Magnify-Publisher-WP

The Magnify Publisher for WordPress enables you to access Magnify.net's powerful video discovery and multimedia capabilities within WordPress.

Vladimir Prelovac

Smart Youtube is one of the most popular WordPress plugins, with more than 1,000,000 downloads to date..
From version 4.0 Smart Youtube changed the name to Smart Youtube PRO and now also supports playback of Youtube, Vimeo, Metacafe, Liveleak and Facebook high quality videos, works on iPhone & iPad, produces xHTML valid code (unlike YouTube embed code), allows you to view videos in fullscreen, has video thumbnails support, has robust widget support and much more.
The plugin is designed to be small and fast and not use any external resources. It has a number of customizable options.
Main Features:
<ul>
<li>Easily embeds YouTube, Vimeo, Metacafe, Liveleak and Facebook videos (normal/HD mode)</li>
<li>Works on iPhone, iPad and iPod</li>
<li>Embed YouTube playlist (normal/HD)</li>
<li>Supports latest high definition video protocols</li>
<li>Extract video thumbnails in your archive/category posts</li>
<li>Provides a sidebar widget for videos as well</li>
<li>Supports video deep linking (starting at desired point with &start=time parameter)</li>
<li>Autoplay videos, autoplay only the first video on the page (if multiple vidoes)</li>
<li>Show video in Colorbox</li>
<li>Supports migrated blogs from WordPress.com</li>
<li>Supports migration from other Youtube plugins such as wp-youtube</li>
<li>Produces xHTML valid code</li>
</ul>
Example: 
http://www.youtube.com/watch?v=zlfKdbWwruY
Related plugins:
<ul>
<li><a href="https://wordpress.org/extend/plugins/seo-image/" rel="ugc">SEO Friendly Images</a></li>
</ul>
Feel free to check out my <a href="http://www.prelovac.com/vladimir/" rel="nofollow ugc">my blog</a>.
<h3>Credits</h3>
Some of the functions of SmartYoutube plugin came from other plugins. So I can at least thank these people:
<ul>
<li><a href="http://www.deliciousdays.com/" title="Oliver" rel="nofollow ugc">Oliver</a> for his <a href="http://www.deliciousdays.com/cforms-plugin" title="cforms II" rel="nofollow ugc">cforms II</a> plugin</li>
<li><a href="http://www.plaintxt.org/" title="Scott" rel="nofollow ugc">Scott</a> for his excellent readme.txt file</li>
<li><a href="http://www.youtube.com/" title="YouTube" rel="nofollow ugc">YouTube</a> folks for their service and javascript selector</li>
</ul>
Thanks.
<h3>License</h3>
This file is part of Smart YouTube.
Smart YouTube is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
Smart YouTube is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with Smart YouTube. If not, see <a href="http://www.gnu.org/licenses/" rel="nofollow ugc">http://www.gnu.org/licenses/</a>.

Smart YouTube PRO

Smart Youtube is a professional WordPress Video plugin that allows you to easily insert videos/playlists into your post from all major video services.

Magnify-Publisher-WP vs Smart YouTube PRO