Skin Look And Feel allows Java developers to write skinnable application
using the Swing toolkit. Skin Look And Feel is able to load themepacks (a
bundle of GTK - The Gimp Toolkit - and KDE - The K Desktop Environment - skins)
to enhance your application GUI controls such as Buttons, Checks, Radios,
Scrollbars, Progress Bar, Lists, Tables, Internal Frames, Colors, Background
Textures, Regular Windows.

WWW: http://www.l2fprod.com/skinlf/index.html