I most certainly should use a different system to save this link, but anyway, here is a recommendation (and reminder for myself) of a good video tutorial of how to develop packages for R using the command line, Eclipse & StatET and source code management:

Los Angeles useR meetup (Oct 25, 2011): R packages, development & productivity tools

Turn on HD to see the code better!

Many thanks to Szilard Pafka and Jeroen Ooms who provide this presentation.