Perhaps the following might help:
Configuring Slackware for a GUI Startup—Part I
Configuring Slackware for a GUI Startup—Part II
Configuring Slackware for a GUI and a Command Line Startup
The box is using gdm but I would prefer kdm. How do I switch?
and modify the order or comment out the GDM lines.
1) Auto login on a non-root account
After performing the above to use the KDM, as root open the KDE Control Center or, after opening the Control Center as normal user, select the System Administration
section and then enter Admin mode by selecting the Admin
button. Select the Login Manager
section. Select the Convenience
3) Auto open the home folder for the user
Either save a desktop session with Konqueror open, or place a link to the Konqueror desktop icon in the $HOME/.kde/Autostart
Use the Autostart
folder. Open Konqueror and make the Autostart folder the open folder. Then pop open the K start menu, drill your way to the Mplayer menu item, and drag the K menu option to your Autostart folder. KDE should ask you if you want to create a soft link. Yes, you do.