JE SlideDown Box Menu is a nice free drop down menu, with which can display menu links in multilevels. ou can assign a special image to every menu category. Beside this, JE SlideDown Box Menu is easy to configure by the integrated module admin, which allows you set a lot of preferences, like menu width, the number of items or start and end level. The download is free. JE Extensions provide it for Joomla 2.5 and Joomla 3.0.