I installed it, but don't get to choose it when logging in.
Here, I think, is why:
[summer potoroo ~]$ rpm -qi xfwm4
Name : xfwm4 Relocations: (not
relocatable)
Version : 4.4.2 Vendor: Fedora Project
Release : 3.fc9 Build Date: Wed 30 Apr
2008 04:29:14 AM WST
Install Date: Mon 12 May 2008 11:11:39 AM WST Build Host:
xenbuilder2.fedora.redhat.com
Group : User Interface/Desktops Source RPM:
xfwm4-4.4.2-3.fc9.src.rpm
Size : 2655388 License: GPLv2+
Signature : DSA/SHA1, Thu 01 May 2008 01:44:19 AM WST, Key ID
b44269d04f2a6fd2
Packager : Fedora Project
URL : http://www.xfce.org/
Summary : Next generation window manager for Xfce
Description :
xfwm4 is a window manager compatible with GNOME, GNOME2, KDE2, KDE3
and Xfce.
[summer potoroo ~]$ rpm -ql xfwm4 | grep xsessions
[summer potoroo ~]$
I gather it should be tucking a .desktop file into
/usr/share/xsessions/