Tested on Lubuntu 3.1

apt-get install vino lxde xrdp
#After installation type the following and do your settings:
vino-preferences

Edit  /etc/xrdp/startwm.sh (i use nano) and change settings:

#!/bin/sh

if [ -r /etc/default/locale ]; then
. /etc/default/locale
export LANG LANGUAGE
fi

#. /etc/X11/Xsession    <----- Type a "#" and insert
. /usr/bin/startlxde