"Part of the big hype over the release of KDE 4 was its new and
improved eye candy, mostly due to the Plasma workspace. Those who
liked the changes, loved the new KDE from the beginning. Those who
did not are still complaining about it. But like any good desktop
environment, you are by no means stuck with the default look. In
fact, KDE offers more easily customizable features than any other.
What follows are 7 ways to get the desktop look you dreamed about
when you were a child.
"1. Plasma Themes
"The plasma theme engine is quite straightforward. It controls
the look and feel of the KDE panel, the widgets/applets, the
Krunner command interface, and any pop-ups from the panel or
widgets. To change the theme:"