http://blogs.iis.net/fabioy/archive/2008/05/21/new-watermark-module-sample-available.aspxThere's a new sample module that I wrote available here . One of the great new things in IIS 7 is this great extensibility we built so that modules and request handlers can be written with a much richer API than before (those who've had to tackle writtingenCommunityServer 2007 SP1 (Build: 20510.895)