Apsara Aruna

Simply customize your admin login page using this plugin.
A few notes about the sections above:
<ul>
<li>Customize admin login logo</li>
<li>Change login with username only.</li>
<li>Hide lost password reset link</li>
<li>Hide back to site link</li>
<li>Change/Custom error message</li>
<li>Dynamic image loading with your choice</li>
</ul>
Also see my other plugins 
* <a href="https://wordpress.org/plugins/widget-youtube-subscribtion/" title="Easy Subscribe Button Widget" rel="ugc">Easy Subscribe Button Widget</a> 
* <a href="https://wordpress.org/plugins/embed-page-facebook/" title="Easy Embed Page Widget" rel="ugc">Easy Embed Page Widget</a>

Simple Login Customize

Simply customize your admin login page using this plugin.

Kerry Webster

Features of the Branded Login Screen plugin:
<ul>
<li>FULL SCREEN BACKGROUND IMAGE</li>
<li>USE YOUR OWN HEADER IMAGE IN PLACE OF THE WORDPRESS LOGO</li>
<li>POSITION LOGIN FORM: LEFT, CENTER OR RIGHT / TOP, MIDDLE</li>
<li>LOGIN FORM IS RESPONSIVE FOR SMALLER SCREENS</li>
<li>SCROLLING OF FORM IF OUTSIDE OF VIEWPORT</li>
<li>BACKGROUND IMAGE SIZES WITH WINDOW RESIZE</li>
<li>REPEATING BACKGROUND IMAGES SUPPORTED</li>
<li>REMOVES ALL WORDPRESS BRANDING</li>
<li>STILL UPGRADE PROOF</li>
</ul>

Branded Login Screen

Update the WordPress Login Screen to use a hi-res, full screen, resizing background image. Now completely responsive.

Simple Login Customize vs Branded Login Screen