Fitnesse, FitLibrary DoFixtures and Selenium: A winning combination.
Jeremy D. Miller wrote two excellent posts that take you step-by-step through the creation of an acceptance test suite using Fitnesse, Selenium and Fitlibrary.
Create a Testing DSL with FitNesse and Selenium (Part 1) Create a Testing DSL with FitNesse and Selenium (Part 2)
In the two posts you’ll see how these pieces were combined to test. [...]