Steps to install PIL
$ sudo apt-get install python-imaging
$ sudo apt-get install libjpeg-dev libfreetype6 libfreetype6-dev zlib1g-dev
$ sudo ln -s /usr/lib/`uname -i`-linux-gnu/libfreetype.so /usr/lib/
$ sudo ln -s /usr/lib/`uname -i`-linux-gnu/libjpeg.so /usr/lib/
$ sudo ln -s /usr/lib/`uname -i`-linux-gnu/libz.so /usr/lib/
$ pip install PIL