How to change tdm themes?

Hi all! Is there a way to set themes or colors schemes for tdm? When I go to "kcontrol/System Administration/Login Manager", I can customice some aspects, but Appearance/GUI Style: is ignored by tdm, always "Plastic", Appearance/Color scheme: is ignored by tdm, always "default". /etc/trinity/tdm/tdmrc does partly represent the GUI changes: [X-*-Greeter] ColorScheme=the_selected_color_scheme Theme=@@@ToBeReplacedByDesktopBase@@@ As you can see, "Theme=" is a bit off. Also I cannot find a way to set/select the themes that are in "/opt/trinity/share/apps/tdm/themes" So, does anybody hnow how to change the tdm default theme? Nik -- Please do not email me anything that you are not comfortable also sharing with the NSA, CIA ...