FireFly is a Jquery Plugin that creates spark effect on web page. Sparks moves in random motion and path. You have to call firefly_wp_setup() on every
Noise is an important part of most designs when it comes to websites. It helps direct the user's attention to certain parts of the site without overwhelming them.
And that's it, you now have floating pixels on your website. You can use this plugin to add particles to a photography site, add fireflies to a field background image, add water debris, stars... the list goes on, its use is only limited by your imagination. Here are a couple example sites:
The plugin is called Firefly by Motyar. It's incredibly easy to add to your site and can really bring the design to life.