Looking for a single graphic displaying all of the Active Directory and related services infrastructure?

Download it from here: http://download.microsoft.com/download/6/c/d/6cdaf626-16f4-4773-8ae4-03cc4a010a82/TN_Poster_0304_06.pdf

When out working with customers on AD deployments, I've found it useful to print this off on A3 or A2 and pin it up on the wall of the project team office - it helps put everything into context, and is a useful reference to explain things to non-technical people like project managers, CIO's, and sales guys :-)