These understated “Stop the San Felipe Skyscraper” signs started going up about knee-high this weekend in River Oaks and Vermont Commons to protest that shiny 17-story office tower that Hines is proposing to build nearby. Though these signs — spotted at the corner of Spann and Welch and San Felipe and Spann, catty-corner from the proposed site — might be lacking the services of an imaginative cartoonist like their yellow precursors across town in Boulevard Oaks, their message still comes through, directing the onlooker as well to a recently launched website for all things skyscraper-stopping: