http://www.linuxquestions.org/questi...d.php?t=396273
FC specific on how to add icewm or fluxbox. For windowMaker hopefully it should be all the same except changing the exec line to
exec wmaker
For non FC4 specific this is a link that has a link to how to add Fluxbox which should be similar to other WM's in gdm, just like the coment above it is a matter of changin exec <window manager name> to exec wmaker. This is for people who search this post for how to add window manager X to ...
http://www.linuxquestions.org/questi...d.php?t=414256
Let me know how it works for you as I have just tried out fluxbox and icewm and pretty soon will be checking out windowmaker.