Country Kitchen, Lampasas. (Photo ©Chris Wilkins/Texas BBQ Posse) A Posse rule of thumb: The cooler the sign, the better the barbecue. Nine times out of ten this has proved true. BBQ Signs of our Times is back once again,with some memorable signs from our last trip to the Hill Country and points in between. This is our seventh blog post on classic BBQ signs. You can use the search box in the upper right of the Posse blog homepage if you’d like to see some other sign posts, just search “BBQ Signs of Our TImes”. If you happen to see a…