In case you miss it, or your subscription has expired or you just haven't found time to duck down to Borders - Chameleon Net have an article on the Médecins Sans Frontières site build in this months .NET magazine [issue 180].

In it we talk about the use of MSF's huge photographic library as a design feature using a dynamic header image that changes every visit. 

It's in shops now and easily spotted due to it's bright yellow cover! Yes....subtle we know ;)