http://wahyaw.us/linux/kdmwlk/Kdm4a.htmlhttp://wahyaw.us/linux/KsplasherxGuide.htmlalso for kdms you can download them form kde-look and edit the back ground to what ever you want and recompress
If you want to move the location of the login box (for my kdms) .
unpack and edit world.xml file .
Re-compress when done to install
x=15 y=15 is upper left
x=15 y=85 is lower left
x=85 y=15 is upper right
x=85 y=85 is Lower Right
x=50 y=50 is center