I just came a cross this old question.
There are three, newer, videos you can watch:
- R Web Application – “Hello World” using RApache (~7min video tutorial)
- Web Development with R – an HD
video tutorial of Jeroen Ooms
talk
- A web application for R’s
ggplot2
(I could have linked just to the youtube videos, but the posts also includes extra links to code, presentations and explanations)