Travis Smith

WordPress’s themes are absolutly amazing, except you are not able to theme the login pages very well. Smithers Login is a light weight plugin that will allow you full theme control over the WordPress Multisite login pages. This plugin allows for different custom login screens on a single WordPress 3.0 Multisite with Domain Mapping. This Network Activated plugin enables you to specify a stylesheet to be used with every multisite login page allowing for custom login images and messages.
Some Features:
<ul>
<li>Specify CSS style sheet for login pages.</li>
<li>Change the URL and TITLE of the header link.</li>
<li>Add a custom image to the login page with PSD file.</li>
<li>Add specific messages to the different login pages (Login, Registration, Forgot Password)</li>
<li>Change various error messages on login and registration pages.</li>
<li>Enhances and extends DBD Login Style.</li>
</ul>

Smithers Login

Add style to your WordPress multisite login pages! This plugin enables you to specify a CSS to be used on the login page with a custom image/messages.

AlexKole

By installing this plugin, you can change the cursor to an image in png, jpg, jpeg format. You can use different images for the entire document, another image for links or buttons. The setup process is simple. Install the plugin then in Appearance-> Cursor Settings select the image for your cursor and upload it. Remember that the image should not be too large to cover the content or too small and invisible.
You can specify in the settings whether the cursor for links and buttons will change. You can customize a single image and its size for links, buttons or the entire document. You can also adjust the cursor so that it does not change.
Image format: Use only PNG, JPG, GIF image formats and GIF format can lose its animation if it was!!!
Key features of this plugin include:
<ul>
<li>Upload your image as a cursor.</li>
<li>Adjust the size of your image.</li>
<li>You can choose whether the cursor changes for links or buttons</li>
<li>You can also download your cursors for links and buttons. 
and ask them your sizes</li>
</ul>
This plugin depends on the jQuery and JQuery UI libraries (Included in the WordPress core).

Mouse cursor customizer

Change the boring mouse cursor to your cursor image, adjust the size of your image. Change the images for the whole page or for links and buttons.

Smithers Login vs Mouse cursor customizer