Updated: May 31, 2008
QtCurve is a beautiful and highly configurable style for KDE. It is mature and bug-free, so you may want to give it a try. Download the source for KDE3 from the KDE-Look.org page. Next, install the necessary dependencies:
apt-get install kdebase-dev cmake lsb-cxx
Then, issue the following commands in the QtCurve directory:
The last command as root. Your style should now be installed. To apply it and configure QtCurve, run KControl (hit ALT+F2 and enter 'kcontrol'), go to Appearance & Themes -> Style, and select QtCurve from the Widget Style drop-down list.