Sometimes it’s the little things that make the difference in user interfaces. A seemingly minor change can have a massive effect on the look and feel. It is easy in jQuery to make an object expand in size on hover: simply attach an animate effect to a hover event. Create a Apple OSX style dock with jQuery using the Resize on Approach plugin
Slider are very useful and increasingly popular web page elements used for highlighting important content. By using a jQuery slider plugin, one can create amazing HTML slider effects with fancy animations of content elements like text and images. jQuery takes care of the difficult aspects like browser support and typically when using jQuery plugins it can be done with very little coding effort. This is the reason why jQuery sliders and jQuery banner slideshow scripts have become very popular on most types of websites. They are are typically used to feature multiple products, news, video etc. without taking up a lot of space on the pages. In fact, we see sliders on most news and business websites today and they are placed on the most important location over the fold on the front page.
JQuery Cycle Plugin - Effects Browser