Installing RMagick on Leopard

Prerequisites:
* MacPorts 1.5.0 installed

Install tiff and ImageMagick.
reference: http://nullstyle.com/2007/10/27/how-to-build-imagemagick-and-install-rmagick-with-macports-on-mac-os-x-leopard/
sudo port install tiff -macosx
sudo port install ImageMagick

Install RMagick gem.
sudo gem install rmagick