ActiveCandy

ActiveCandy is a small set of controls that will let you add polished visual effects to your applications. The set is ideal for programmers who want to incorporate neat visual effects in their programs without having to spend a lot of time, effort, or money to develop them. It includes stock images as well as a way to add custom images for normal, rollover, a second after the mouse leaves the control, disabled, and pushed states. It also has rollover coloring.