Before installing full LXDE, I use openbox and lxpanel (on Debian Lenny), I have set the dpi to 96 at:
# /etc/X11/xinit/xserverrc
Code: Select all
#!/bin/sh
# $Id: xserverrc 189 2005-06-11 00:04:27Z branden $
exec /usr/bin/X11/X -nolisten tcp -dpi 96
Thanks