Getty Image THE ADULT FILM MINUTE: Once per month, except for occasionally when it’s more frequent than that, Dr. Chauntelle Tibbals will be telling us a little bit about what’s going on in adult entertainment and why it should matter to you. We’ve all got opinions – and given my area of erotic media expertise, sometimes one’s opinions can slide over into the realm of fact. As such, here’s a list of the (objectively determined) 6 Best Classic Porn Movies EVER. Just kidding. I used my opinions, as …