Thanks everyone! Other than the minis and terrain, I hope you enjoyed the rules/scenario we put together along with the write for the game. I tried to remember to include most of the details and scanned the roster and objective cards so others could have a shot at playing a similar game if they wished.
Great write up on the blog, too. Will have to go back and re-read it to see if there are any more ideas that I would like to steal borrow! 
I love the blue/grey of the stonework.
What is your recipe for that?
(I want to paint a thieves warband in a 'night' setting and that colour looks ideal.
)
The stonewark on the terrain is actually different layers/highlights/drybrushing of "brown" greys not blue ones. However, the way I've done blue grey stone in the past is to use GW's Shadow Grey as part of the process. Both in mixing with black and adding more and more Shadow Grey and then coming back with the highlights and adding more and more Codex Grey to the Shadow Grey, and finally a bit of white to the mix for the final highlights.
The stonework of this graveyard was done with successive layers of lighter generic "brown" greys, but about 2/3 of the way through I did a thinned down green wash to give everything a tinge of mold and mildew, and then came back with the final highlights. Maybe that's the effect you are seeing in the pictures.
Thanks again,
Jason