Gordo Web Design

Gordo Change Login Logo is a lightweight plugin that enables you to quickly change the WordPress login logo with a custom one. This plugin offers a no-nonsense approach to customizing the login screen, making it easy for you to add your branding to the login page.
Key features: 
* Simple and intuitive interface 
* Upload custom logo using the WordPress Media Library 
* Set custom logo width and height 
* Reset to default WordPress logo

Gordo Change Login Logo

Gordo Change Login Logo allows you to easily customize the WordPress login logo with a simple and user-friendly interface.

binarymoon

Bartosz Gadomski

Teydea Studio

A simple way to customise the login screen on your WordPress install. There are a number of advantages to using this plugin:
<ol>
<li>Using a plugin means the changes stay when you upgrade</li>
<li>It’s an easy way to add a little polish to your freelance web design jobs</li>
</ol>

Custom Login

Not too much, not to little, just right.  Allows for custom logo, font and button, and a little extra CSS if needed.  Based on the size of your logo you will need to adjust the background position and/or margins of the #login but with a few tweaks it looks great.  

goldilocks

Customise the WordPress login box quickly and easily

Gordo Change Login Logo vs Custom Login