http://code.google.com/p/selenium/wiki/Grid2 - has a description how to create a hub and nodes for the Selenium 2 Grid

https://raw.github.com/semperos/clj-webdriver/master/script/grid-hub - a very useful script which allows start and stop Selenium Grid hub

https://raw.github.com/semperos/clj-webdriver/master/script/grid-node - script for single Selenium Grid node launching

http://laouini.blogspot.com/2012/01/all-hail-selenium-grid-2.html - an example how to use a configuration file for a Selenium Grid node

http://css.dzone.com/articles/selenium-2-php-code - overview PHP usage with Selenium Grid.

http://grepcode.com/file/repo1.maven.org/maven2/org.seleniumhq.selenium/selenium-server/2.4.0/defaults/GridParameters.properties - Selenium Grid parameters description

http://stackoverflow.com/questions/7328494/selenium2-firefox-use-the-default-profile - an example of usage custom Firefox profile for the Selenium which is based at compressed file.