diff -Naurw kdelibs-4.1.82/kdeui/icons/kicontheme.cpp kdelibs-4.1.82.kde149705/kdeui/icons/kicontheme.cpp
--- kdelibs-4.1.82/kdeui/icons/kicontheme.cpp	2008-10-23 01:05:04.000000000 +0200
+++ kdelibs-4.1.82.kde149705/kdeui/icons/kicontheme.cpp	2008-12-09 14:15:14.000000000 +0100
@@ -516,7 +516,7 @@
         return *_theme;
 
     KConfigGroup cg(KGlobal::config(), "Icons");
-    *_theme = cg.readEntry("Theme", defaultThemeName());
+    *_theme = cg.readEntry("Theme4", cg.readEntry("Theme", defaultThemeName()));
     if ( *_theme == QLatin1String("hicolor") ) *_theme = defaultThemeName();
 /*    if (_theme->isEmpty())
     {
diff -Naurw kdelibs-4.1.82/kdeui/kernel/kglobalsettings.cpp kdelibs-4.1.82.kde149705/kdeui/kernel/kglobalsettings.cpp
--- kdelibs-4.1.82/kdeui/kernel/kglobalsettings.cpp	2008-11-28 16:40:11.000000000 +0100
+++ kdelibs-4.1.82.kde149705/kdeui/kernel/kglobalsettings.cpp	2008-12-09 14:17:51.000000000 +0100
@@ -831,7 +831,7 @@
     if (kde_overrideStyle.isEmpty()) {
         const QString &defaultStyle = KStyle::defaultStyle();
         const KConfigGroup pConfig(KGlobal::config(), "General");
-        const QString &styleStr = pConfig.readEntry("widgetStyle", defaultStyle);
+        const QString &styleStr = pConfig.readEntry("widgetStyle4", pConfig.readEntry("widgetStyle", defaultStyle));
 
         if (styleStr.isEmpty() ||
                 // check whether we already use the correct style to return then
diff -Naurw kdelibs-4.1.82/kutils/kdeglobals.kcfg kdelibs-4.1.82.kde149705/kutils/kdeglobals.kcfg
--- kdelibs-4.1.82/kutils/kdeglobals.kcfg	2008-05-21 13:08:56.000000000 +0200
+++ kdelibs-4.1.82.kde149705/kutils/kdeglobals.kcfg	2008-12-09 14:15:14.000000000 +0100
@@ -24,6 +24,10 @@
    <whatsthis>The name of the widget style, for example &quot;keramik&quot; or &quot;plastik&quot;. Without quotes.</whatsthis>
    <default>keramik</default>
   </entry>
+  <entry key="widgetStyle4" type="String" >
+   <label>Widget style to use for KDE 4</label>
+   <whatsthis>The name of the widget style, for example &quot;oxygen&quot;. Without quotes. Defaults to widgetStyle.</whatsthis>
+  </entry>
   <entry key="windowBackground" type="String" />
   <entry key="windowForeground" type="String" />
   <entry key="UseSystemBell" type="Bool" >