If you want to make your Ubuntu user interface more attractive and beautiful than ever then here is list of 20+ awesome themes for Ubuntu (Linux). These all themes are Free! and are available for download via Gnome Art. Do give them a try and do tell if you have got more Ubuntu themes worth sharing. If you are Microsoft Windows user then you might love these top 10 Windows 7 / Vista visual styles for Windows XP

Murrina Triomphe

Download Murrina Triomphe

Hardy Theme 2.0

Download Hardy Theme 2.0

Bamboo Zen

Download Bamboo Zen

Lux Theme

Download Lux Theme

Burnt Orange Ice

Download Burnt Orange Ice

Creamy

Download Creamy

Glow

Download Glow

Moomex

Download Moomex

Roy (Windows Royale)

Download Roy (Windows Royale)

Clearlooks Metallico

Download Clearlooks Metallico

Aqua Dreams

Download Aqua Dreams

Linux Mint

Download Linux Mint

Real Minimal

Download Real Minimal

Root Green

Download Root Green

Light Coffee

Download Light Coffee

Slickness Black

Download Slickness Black

Murrina Aero

Download Murrina Aero

Tigris

Download Tigris

Sofice

Download Sofice

Blue Joy

Download Blue Joy

Gaia Nova

Download Gaia Nova

Elegant Brit

Download Elegant Brit

Darker Ice Murrina

Download Darker Ice Murrina