Practical BDD with Behat and Mink
An introduction into behavior-driven development with Behat and Mink. A Symfony2 application is used for examples.
This was presented in the Top Shelf PHP tutorial at OSCON 2011: http://www.oscon.com/oscon2011/public/schedule/detail/18980
There were some issues converting from ODP, so a PDF version is here: http://jmikola.net/slides/20110725_bdd.pdf