I just put a .xinitrc file in my $HOME with 'blackbox' as the window
manager, and I found a 'window manager' submenu.
This allows me to change from blackbox to metacity or afterwm or several
others, but enlightenment, sawfish and uwm wont run, giving an error
like this:
X-window does not contain the SHAPE library
This isn't exactly what it said, since it was