Is this the 'chewing gum' album cover?
No. Wikipedia notes that one also as being "controversial"
Almost. It was Blind Faith (Claptons new "Supergroup" after Cream). The cover caused controversy at the time, but it's still available and you can view it at Amazon.

Assuming your access to Wikipedia hasn't been censored by your elected goverment:
http://en.wikipedia.org/wiki/Blind_Faith_(album)
According to the article she was in fact 11 (which I find very hard to believe), and clicking the above link may land you in jail. I'll see you there - I've suddenly realised I've had this bit of child porn in my posession for at least 20 odd years.![]()