Grub2: кто знает, как сделать небольшой "тюнинг"?

#!/bin/sh -e
. /usr/lib/grub/grub-mkconfig_lib
# this allows desktop-base to override our settings
f=/usr/share/desktop-base/grub_background.sh
if test -e ${f} ; then
  . ${f}
else
  WALLPAPER="/usr/share/images/desktop-base/moreblue-orbit-grub.png"
  WALLPAPER="/home/nzion/004_wallpapper/for.grub/200909050155-13121.jpg"
  COLOR_NORMAL="black/black"
  COLOR_HIGHLIGHT="magenta/black"
fi
set_blue_theme()
{
  cat << EOF
set menu_color_normal=cyan/blue
set menu_color_highlight=white/blue
EOF
}
# check for usable backgrounds
use_bg=false
for output in ${GRUB_TERMINAL_OUTPUT}; do
  if [ "$output" = "gfxterm" ] ; then
    for i in /boot/grub/`basename ${WALLPAPER}` ${WALLPAPER} ; do
      if is_path_readable_by_grub $i ; then 
        bg=$i
        case ${bg} in
          *.png)        reader=png ;;
          *.tga)        reader=tga ;;
          *.jpg|*.jpeg)    reader=jpeg ;;
        esac
        if test -e /boot/grub/${reader}.mod ; then
          echo "Found background image: `basename ${bg}`" >&2
          use_bg=true
          break
        fi
      fi
    done
    break
  fi
done
# set the background if possible
if ${use_bg} ; then
  prepare_grub_to_access_device `${grub_probe} --target=device ${bg}`
  cat << EOF
insmod ${reader}
if background_image `make_system_path_relative_to_its_root ${bg}` ; then
  set color_normal=${COLOR_NORMAL}
  set color_highlight=${COLOR_HIGHLIGHT}
else
EOF
fi
# otherwise, set the traditional Debian blue theme
if ${use_bg} ; then
  set_blue_theme | sed -e "s/^/  /g"
  echo "fi"
else
  set_blue_theme
fi

# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
GRUB_DEFAULT=0
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="nomodeset vga=772"
GRUB_CMDLINE_LINUX=""
# Uncomment to disable graphical terminal (grub-pc only)
#GRUB_TERMINAL=console
# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
GRUB_GFXMODE=1280x960
# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
#GRUB_DISABLE_LINUX_UUID=true

#!/bin/bash -e
source /usr/lib/grub/grub-mkconfig_lib
# this allows desktop-base to override our settings
f=/usr/share/desktop-base/grub_background.sh
if test -e ${f} ; then
  source ${f}
else
  WALLPAPER="/usr/share/images/desktop-base/33.tga"
  COLOR_NORMAL="yellow/blue"
  COLOR_HIGHLIGHT="magenta/yellow"
fi
set_mono_theme()
{
  cat << EOF
set menu_color_normal=yellow/blue
set menu_color_highlight=magenta/yellow
EOF
}
а дальше всё тоже самое

# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
GRUB_DEFAULT=0
#GRUB_HIDDEN_TIMEOUT=0
GRUB_HIDDEN_TIMEOUT_QUIET=true
GRUB_TIMEOUT=100
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX=""
# Uncomment to disable graphical terminal (grub-pc only)
#GRUB_TERMINAL=console
# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
GRUB_GFXMODE=1024x768x32
# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
#GRUB_DISABLE_LINUX_UUID=true
# Uncomment to disable generation of recovery mode menu entries
#GRUB_DISABLE_LINUX_RECOVERY="true"
# Uncomment to get a beep at grub start
#GRUB_INIT_TUNE="480 440 1"