The scrollbar in Ubuntu 10.04 is just about invisible. How can one give the bar a more contrasting color?
sudo apt-get install gnome-color-chooser
Hmmm....I guess you can change the theme or change the "controls". In the 'appearance preferences', select the 'theme' tab, and click 'customize'. Under the 'controls' tab, select a different 'window control' < Actually, this is nearly equal to 'changing the theme'. The best thing you can do is search for and download a new theme of your choice from 'http://gnome-look.org/'. :)
this is what i also trying