CongBom

To get meta value in front-end, use <code>get_post_meta()</code> with meta key is <code>youtube_id</code>.
Example:
Print YouTube video ID: 
 ID, ‘youtube_id’, true);?>
Thumbnails: 
 <img src="http://img.youtube.com/vi/ID, ‘youtube_id’, true);?>/mqdefault.jpg” alt=”” />
Video player:
<iframe src="http://www.youtube.com/embed/ID, ‘youtube_id’, true); ?>” width=”588″ height=”331″ frameborder=”0″ allowfullscreen>

YouTube metabox

Create YouTube meta-box for post with live preview

010pixel

This plugin will allow you to select custom posts types for which you want to show metabox of template list dropdown menu.
On the front end, this plugin will help to show selected template for the post.
Now you can choose to have different templates for each post just like pages.
Made by <a href="http://www.010pixel.com/" rel="nofollow ugc">010Pixel</a>
<h3>Use</h3>
Before using this plugin, you should have some templates ready to be used.
<ol>
<li>Go to <code>Plugins</code> > <code>Template List Metabox</code>. You will be able to see all the custom post types including <code>Post</code>.</li>
<li>Tick all the checkbox for the post types for which you want to enable template list metabox.</li>
<li>Create a post and choose the template you would like to use.</li>
<li>If you do not want to choose custom template then select <code>Default Template</code>. Choosing <code>Default Template</code> will show content from single.php, single-{$object->post_type}.php, single-{$object->post_type}-{$object->post_name}.php</li>
</ol>
For any query, you can contact me at <a href="http://www.010pixel.com/" rel="nofollow ugc">010 Pixel</a>

Template List Metabox

Template list metabox is to create Metabox for Dropdown List of all available Templates to attach with any Custom Post Types

YouTube metabox vs Template List Metabox