Ubuntu Mac Theme

 Mac OS X Lion Theme and Icons:

Terminal Commands:
sudo add-apt-repository ppa:noobslab/themes
sudo apt-get update
sudo apt-get install mac-icons-noobslab
sudo apt-get install mac-ithemes-noobslab sudo apt-get install mac-icons-v2-noobslab sudo apt-get install mac-ithemes-v2-noobslab

Install Mac Cursors copy the following commands in the Terminal:

Terminal Commands:
wget -O mac-cursors.zip http://goo.gl/xh52J
sudo unzip mac-cursors.zip -d /usr/share/icons/ && rm mac-cursors.zip
cd /usr/share/icons/mac-cursors
sudo chmod +x install-mac-cursors.sh uninstall-mac-cursors.sh
./install-mac-cursors.sh