Fermilab Themes for KDE: These themes were made for Linux's KDE Desktop. Several themes available, that includes nature, landscape and mechanical.
iKons: Various KDE icons and full icon sets, description, downloads.
Karamba: A KDE program that can display a number of various information directly on the desktop.
KDE Themes: Information on KDE and a link to a program which partially converts Windows themes into KDE themes.
KDE Themes on Freshmeat: A list of "KDE Themes" on themes.freshmeat.net.
kTheme: A small program that will convert Windows themes to KDE themes. Currently only supports KDE 1.* (not 2).
LCARS ACCESS 441: An okudagraphic desktop theme turning KDE into a terminal from Star Trek.
Nigritude Ultramarine KDE3 WinXP Theme: A 'simpler' and more 'intuitive' KDE3 Theme for people who are switching to Linux and are currently using Windows XP.
Writing KDE widget styles: A description that describes in detail how custom widget styles can be developed and used in KDE. The document can also be downloaded.