Make your desktop shine
Copy and paste this into a file called changefonts.
Save it.
Open a console.,
type
sh changefonts
####################### S N I P ############################
#Fonts
gconftool-2 --type string --set /desktop/gnome/interface/document_font_name "Nimbus Roman No9 L Bold 12"
gconftool-2 --type string --set /desktop/gnome/interface/font_name "Nimbus_Sans_L Bold 12"
gconftool-2 --type string --set /desktop/gnome/interface/monospace_font_name "Nimbus Mono L Bold 12"
gconftool-2 --type string --set /apps/metacity/general/titlebar_font "Nimbus Sans L Bold 13"
gconftool-2 --type string --set /apps/nautilus/preferences/desktop_font "Nimbus Roman No9 L Bold 12"
#########################################
# Themes
gconftool-2 --type string --set /desktop/gnome/interface/gtk_theme Ambience
# If you don't like dark icons
#gconftool-2 --type string --set /desktop/gnome/interface/icon_theme Faenza-Darkest
gconftool-2 --type string --set /desktop/gnome/interface/icon_theme Faience-Azur
gconftool-2 --type string --set /apps/metacity/general/theme Faience-Ocre
# General
gconftool-2 --type string --set /apps/metacity/general/button_layout ":maximize,minimize,close"
gconftool-2 --type string --set /desktop/gnome/interface/gtk_theme Faience
gconftool-2 --type float --set /desktop/gnome/font_rendering/dpi 120