Justin Tadlock

<p>A plugin for allowing users to set a custom background on a per-post basis.  This plugin hooks into the WordPress <code>custom-background</code> theme feature and overwrites the values on single post views if the post has been given a custom background.</p>
<h3>Features</h3>
<p>This plugin creates a custom meta box on the edit post screen.  From that point, you can select a custom color and/or image.  If you select an image, you’ll be presented with additional options for how the image appears on the site.</p>
<h3>Requirements</h3>
<p>Your theme must support the core WordPress implementation of the <a href="https://codex.wordpress.org/Custom_Backgrounds" rel="nofollow ugc">Custom Backgrounds</a> theme feature.</p>


Custom Background Extended

Allows users to create a custom background on a per-post basis.

Touhidul Sadeek

<h4>Plugin Features</h4>
<ul>
<li>Easy to use.</li>
<li>Fully Responsive.</li>
<li>Full customize.</li>
<li>Custom Background Color.</li>
<li>Custom Preloader Image.</li>
<li>Retina Ready.</li>
<li>jQuery & CSS3.</li>
<li>Compatible with Google Chrome, FireFox, Opera, Safari, IE9, IE10, IE11 and with mobile devices like iPad, iPhone, Android, etc.</li>
</ul>
<h4>Demo</h4>
<ul>
<li><a href="http://demos.tcoderbd.com/wordpress_plugins/" rel="nofollow ugc">Here is the demo</a></li>
</ul>


TCBD Preloader

Add preloader to your website easily, responsive and retina, compatible with all major browsers and full customize.

Custom Background Extended vs TCBD Preloader