This is a small sheel scripts that uses zenity to show a dialog that lets you choose the profile you want to use before launching a GNOME terminal window.
PROFILES=`gconftool-2 --all-dirs /apps/gnome-terminal/profiles`
LIST=""
for p in $PROFILES; do
p=`basename $p`
LIST="$LIST FALSE $p "
done
choosen=`zenity --title "GNOME Terminal" --window-icon /usr/share/icons/gnome/scalable/apps/gnome-terminal.svg --text "Choose one from available profiles:" --list --radiolist --column "" --column "Profiles" $LIST`
gnome-terminal --window-with-profile=$choosen &