same as i am, redhat something right or whatever, heres how i did it
ok, now that it is installed goto
/usr/share/apps/switchdesk
then make a file called
Xclients.blackbox
then put this into the file
#!/bin/sh
exec /usr/local/bin/blackbox
after that
chmod +x Xclients.blackbox /*another 15 minutes of frustion figured that one out*/
the goto
/etc/kde/kdm
use your favorite text editor on the kdmrc file
there should be a line that says
SessionTypes=
put a comma at the end of that line and type in blackbox
save it and log out and try to use blackbox, you should be able to