Short bio: Computer Scientist, FOSS supporter (read more)
Tux Machines (TM)-specific
To be honest, I never really liked Human, Ubuntu’s default theme, and seems that many other people don’t. Happilly, on GNU/Linux systems it is easy to customize everything, even the buttons aspect or the windows borders. Here’s a list of 30 Gnome themes of all styles, from the Windows XP look-a-like to the very original skin, to enhance your Ubuntu experience.