Just found this amazing post by the Adventurous MD Couple on Dr. Emilio Lizardo's Journal of Adult Theaters. Right up this thread's alley, I'd say. Thanks to both the good Doctor and, more importantly, AdvMDCpl for this! Many more pictures here!
http://dremiliolizardo.blogspot.com/2016/07/couples-flash-report-adventurous-md.html#more