In a strangely prophetic turn of events, the dollar-chasing baby who appeared on the iconic cover of Nirvana's 1991 album Nevermind is all grown up, but he's still chasing that dollar. Spencer Elden, now 30 years old, has sued Nirvana and the estate of Kurt Cobain for sexual exploitation and pornography. Elden has claimed that he could not consent to the use of his image and 'has suffered and will continue to suffer lifelong damages' as a result of alleged exploitation. He could receive up to $…