Comment 1 for bug 672618

Looks like kdebase-workspace-wallpapers should not contain /usr/share/kde4/apps/kdm/themes directory as there are other files which conflicts:

 /usr/share/kde4/apps/kdm/themes/circles/background.svg
 /usr/share/kde4/apps/kdm/themes/circles/circles.xml
 /usr/share/kde4/apps/kdm/themes/circles/flower.png
 /usr/share/kde4/apps/kdm/themes/circles/help.png
 /usr/share/kde4/apps/kdm/themes/circles/KdmGreeterTheme.desktop
 /usr/share/kde4/apps/kdm/themes/circles/options.png
 /usr/share/kde4/apps/kdm/themes/circles/screenshot.png
 /usr/share/kde4/apps/kdm/themes/oxygen-air/caps.png
 /usr/share/kde4/apps/kdm/themes/oxygen-air/icon-kde.png
 /usr/share/kde4/apps/kdm/themes/oxygen-air/KdmGreeterTheme.desktop
 /usr/share/kde4/apps/kdm/themes/oxygen-air/oxygen-air.xml
 /usr/share/kde4/apps/kdm/themes/oxygen-air/pw-entry.png
 /usr/share/kde4/apps/kdm/themes/oxygen-air/screenshot.png
 /usr/share/kde4/apps/kdm/themes/oxygen-air/session_button-li.png
 /usr/share/kde4/apps/kdm/themes/oxygen-air/session_button.png
 /usr/share/kde4/apps/kdm/themes/oxygen-air/system_button-li.png
 /usr/share/kde4/apps/kdm/themes/oxygen-air/system_button.png
 /usr/share/kde4/apps/kdm/themes/oxygen-air/user-entry.png
 /usr/share/kde4/apps/kdm/themes/oxygen-air/win-login.png
 /usr/share/kde4/apps/kdm/themes/oxygen/background.svg
 /usr/share/kde4/apps/kdm/themes/oxygen/KdmGreeterTheme.desktop
 /usr/share/kde4/apps/kdm/themes/oxygen/oxygen-box.svg
 /usr/share/kde4/apps/kdm/themes/oxygen/oxygen.svg
 /usr/share/kde4/apps/kdm/themes/oxygen/oxygen.xml
 /usr/share/kde4/apps/kdm/themes/oxygen/screenshot.png
 /usr/share/kde4/apps/kdm/themes/oxygen/session.png
 /usr/share/kde4/apps/kdm/themes/oxygen/system.png