Samir Hussein/Getty Images It’s one of the most iconic album covers in rock history, but Nirvana’s Nevermind doesn’t spark happy memories for the man who appeared on the famous cover as a baby. Spencer Elden, now 30, is suing those who were responsible for the album imagery, including the record label, the art directors and the surviving members of the band. So the day after Christmas, she drives out to the hunting ground, desperate and defiant, and she becomes that…