Cara Instalasi:
wget -O acyl.zip http://goo.gl/tLgl4
unzip acyl.zip
sudo tar jxvf ACYL_Icon_Theme_0.9.4.tar.bz2 -C /usr/share/icons/
Cara mengaktifkan:
gsettings set org.gnome.desktop.interface icon-theme 'ACYL_Icon_Theme_0.9.4'
Untuk merubah warna icon:
cd /usr/share/icons/ACYL_Icon_Theme_0.9.4/scalable/scripts/
sudo ./script_gui.py
Selamat mencoba !!
Sumber: http://www.upubuntu.com/2011/12/how-to-install-and-enable-acyl-icon.html