Anyone know how to make the cool mouseover effect such as when you put your mouse over a 'foggy image', the 'fog' will fade away or when you put your mouse over an image, somekinda light will start shinning on it.. pls help :D

Highlight image script (http://dynamicdrive.com/dynamicindex4/image5.htm)
Gradual highlight image script (http://dynamicdrive.com/dynamicindex4/highlightgrad.htm)
Spotlight script (http://www.dynamicdrive.com/dynamicindex4/spotlight.htm)