Here's the list:
Simple Thai: lemongrass
Mint Julep: mint & bourbon balls
Summer Fresco: melon & assorted fruits
Northern Winter: pine & spruce
Italian Seasoning: pine nuts & dried oregano
Hoppy Giant: warrior & columbus hops
I wish I could be there, but as its on the other side of the pond its going to be difficult for me to get there in time. I'll have to try something like this myself sometime.