Toemat

This sidebar widget uses Google images to find a totally random image from the web and display it on your site. 
Give it a try! It adds a little fun and spontaneity to any site or page.
<ul>
<li>The widget can be styled with CSS.</li>
<li>Uses php cUrl to connect to Google’s API.</li>
<li>Seeds the search with the first sentence from a random MLIA quote.</li>
<li>Options for widget title, show caption, and show description.</li>
</ul>
Check it out!
By installing this plugin you are accepting all responsibility for the random images that show up 
on your site. The author is not responsible in any way for anything that happens as a result of the 
images.

Completely Random Widget

Uses Google images to find a random image from the web and display it on your site.

kdmurray

This plugin will generate an tag for a random image selected from a specified folder.
<h3>Setup Instructions</h3>
<ol>
<li>Extract randomImage.php into your wp-content/plugins folder (or a subfolder)</li>
<li>Activate the plugin in WordPress</li>
<li>On the options screen, select the “Random Image” menu</li>
<li>Fill in the values for your physical and http paths</li>
<li>Select scaling options (optional)</li>
<li>Add some code to whatever page you want to display the image. This is a great way to 
customize the header image for your wordpress installation. The plugin will look in 
the folder and randomly select a header image to display.</li>
</ol>
<h3>Sample Code</h3>
By placing code like the following in your header, it will create an image tag for you 
based on the images in the specified folder.
<?php 
 if (function_exists(‘generateRandomImgTag’)) 
 { 
 generateRandomImgTag(); 
 } 
 ?>
<!– 
The lines above are for the HTML documentation (online)
–>
This code will ensure that the function exists (ie the plugin is active and working) and 
call it if it’s working correctly. If the function is missing, or the plugin has been 
removed then the call will be ignored, and no errors will result.
<h3>Feedback</h3>
kdmurray.at.kdmurray.dot.net

Random Image Selector

This plugin will generate an  tag for a random image selected from a specified folder.

Completely Random Widget vs Random Image Selector