Resolution changing is a mystery to me.
Installing Themes
Go to this page:
GNOME-Look.org and download a theme file.
Create a folder (eg: Themes) in
Home Folder and copy the downloaded ".tar.gz archive" file into it.
System ->
Preference ->
Apperarance
Click
Install -> Browse to the "
Themes" folder and select the ".tar.gz" file -> Click
Open -> Select the theme.
If you need extra settings like mixing toolbars from another theme or something, click
Customize after selecting the main theme.
Check my theme.
Ubuntu 8.10 Intrepid Ibex
[Click the images to see in fullscreen]