With the increased excitement surrounding AJAX and all the associated frameworks, jQuery, mootools etc.., the web has become a great place to live. Just discovered over at CSSRemix, Discover Tennessee Trails showcases one of the newer applications of jQuery, Parallax Effect. This allows a background image, or anything else for that matter, to move at a different pace than the web page . The differences in tempo of motion creates a wonderful illusion of depth to the site.
Here are some other examples of this Parallax Effect in action:
Smashing Magazine is one of my favorite resouces on the web. If you are unfamiliar with this site, it serves two purposes. One, it provides unique content about current trends in web design, techniques and tips for blog development and tutorials on anything from photoshop to illustrator and wordpress (among others).