I have always been fond of dark themes (never wondered why). They give you a nice warm and mesmerizing feeling when you see your desktop. With Ubuntu and Gnome being the buzzword these days, I have discovered some great themes for them which you can download for free to enhance your Ubuntu experience. Don’t forget to mention which one you like the most.
1- Bruzd Nodoka – Download
2- Chris0 – Download
3- Ubuntu Studio – Download
4- Blue Joy – Download
5- Cobra – Download