I install fluxbox on OpenBSD 3.7 . In My rc.conf I add xdm="" and configured my Xsession file (/etc/X11/xdm/Xsession
fi xterm & fluxbox fi Fluxbox starting but no have background [demime 1.01d removed an attachment of type APPLICATION/DEFANGED which had a name of smonek.19337DEFANGED-vcf]