xfce-appfinder does not see Open Office either; I could add it manually, I
guess, but this is a pretty common app--having it added to the menu
automatically would make xfce4 more usable

system: mandrake 10.1 official w/KDE; mandrake installs OpenOffice to the
following locations: 
[steve@localhost steve]$ find /usr -iname 'openoffice*'
/usr/share/doc/OpenOffice.org-1.1.3
/usr/share/icons/crystalsvg/scalable/apps/openoffice.svgz
/usr/share/mime-info/OpenOffice.org Draw.keys
/usr/share/mime-info/OpenOffice.org Impress.keys
/usr/share/mime-info/OpenOffice.org Calc.keys
/usr/share/mime-info/OpenOffice.org Math.keys
/usr/share/mime-info/OpenOffice.org Writer.keys
/usr/share/application-registry/OpenOffice.org Draw.applications
/usr/share/application-registry/OpenOffice.org Impress.applications
/usr/share/application-registry/OpenOffice.org Calc.applications
/usr/share/application-registry/OpenOffice.org Math.applications
/usr/share/application-registry/OpenOffice.org Writer.applications
/usr/share/applnk/OpenOffice.org
/usr/share/applnk-mdk/Office/Drawing/OpenOffice.org Draw.desktop
/usr/share/applnk-mdk/Office/Presentations/OpenOffice.org Impress.desktop
/usr/share/applnk-mdk/Office/Spreadsheets/OpenOffice.org Calc.desktop
/usr/share/applnk-mdk/Office/Wordprocessors/OpenOffice.org Math.desktop
/usr/share/applnk-mdk/Office/Wordprocessors/OpenOffice.org Writer.desktop
/usr/share/applnk-mdk-simplified/Use Office Tools/Use More Office
Tools/Drawing/OpenOffice.org Draw.desktop
/usr/share/applnk-mdk-simplified/Use Office Tools/Use More Office
Tools/Presentations/OpenOffice.org Impress.desktop
/usr/share/applnk-mdk-simplified/Use Office Tools/Use More Office
Tools/Spreadsheets/OpenOffice.org Calc.desktop
/usr/share/applnk-mdk-simplified/Use Office Tools/Use More Office
Tools/Wordprocessors/OpenOffice.org Math.desktop
/usr/share/applnk-mdk-simplified/Use Office Tools/Use More Office
Tools/Wordprocessors/OpenOffice.org Writer.desktop
/usr/share/gnome/apps/OpenOffice.org
/usr/lib/menu/OpenOffice.org
/usr/lib/openoffice
/usr/lib/openoffice/share/registry/data/org/openoffice
/usr/lib/openoffice/share/registry/schema/org/openoffice
/usr/lib/openoffice/share/registry/res/en-US/org/openoffice