If you have git installed, this worked perfectly for me:
cd ~/Library/Application Support/Sublime Text 2/Packages
git clone https://github.com/davidrios/jade-tmbundle Jade
Bonus to get stylus syntax highlighting working run:
git clone https://github.com/stylus/stylus.git Stylus
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…