This plugin allows you quickly make a rollover overly for a image.
CSS3 Text and Image Overlay aims to make a simple and easy way to add a rollover effect to images with use of shortcodes. example of the shortcode used:
[overlay image="http://farm6.static.flickr.com/5095/5540895982_0688039e58.jpg" alt="cool image" title="Vítězslav Krejčí"] <h2>Fokaflex by <a href="http://www.flickr.com/photos/vkrejci/5540895982/in/pool-34427469792@N01/">Vítězslav Krejčí</a></h2> <coded_p>Manufacturer Druopta Prague, 1946, inspired by the Voigtlander Brilliant. It looks like a SLR, but it's just a simple fix-focus plastic box. Shutter B, 1/25, 1/50, 1/75, 1/100; aperture f/8, f/11. Roll film 120, 6x6 format.</coded_p> [/overlay]
Updated as of 1.2: There is now use for alt and title such as [overlay image="some.jpg" alt="this is a jpg" title="hello world"]