No I haven't done a step by step for Easy Debian because I don't use it.. I use Deblet =-(.

There have been several explanations (Qole - might want to make a new thread for "Running an Alternate Window Manager" for your chroot).. I had a basic one here.. and qole has outlined the steps more fully in other posts.. but essentially:

You would take my .deb files (actually Im hoping to have a apt-repo done sometime tonight/tomorrow) and install kde4 in a debian chroot.

Then you would have to copy (still in debian chroot) the /usr/bin/xpice (xpgnome for gnome) (I think that's still the right path; qole?) to a new script called, say, /usr/bin/xpkde4:
or then you would edit that file and find where it launches the window manager.. if gnome it will say "gnome-session", icewm will be "icewm-session". Change that to say "kdeinit4" I believe.

Then copy your /usr/share/applications/hildon/debwm.desktop and edit it to run the new command.

Qole showed how he got Gnome working and what to do .. just change it for KDE.