--- ./plasma/generic/applets/systemtray/protocols/notifications/dbusnotificationprotocol.cpp    2010-01-27 00:42:02.818333858 +0100
+++ ./plasma/generic/applets/systemtray/protocols/notifications/dbusnotificationprotocol.cpp    2010-01-27 00:45:29.450821186 +0100
@@ -24,6 +24,7 @@

 #include <KConfigGroup>
 #include <KIcon>
+#include <KIconLoader>

 #include <plasma/dataenginemanager.h>
 #include <plasma/service.h>
@@ -95,6 +96,9 @@

     if (data.contains("image")) {
         QImage image = qvariant_cast<QImage>(data.value("image"));
+        if (qMax(image.width(), image.height()) > KIconLoader::SizeHuge) {
+            image = image.scaled(KIconLoader::SizeHuge, KIconLoader::SizeHuge, Qt::KeepAspectRatio, Qt::SmoothTransformation);
+        }
         notification->setImage(image);
     }