Cant get sims 2 green skin or witches hat.

Hello,
Im trying to make an elphaba sim and a glinda sim (from wicked) but
problems with elphaba
1. i cant get elphabas green skin
2. i cant get her black cape.
3. i cant find her witches hat
problems with glinda
1. i cant find her dress
2. i dont know how to get the proper pattern from the show (youtube: no one mourns the wicked ravenclaw123)
normal problems
I bought sims 2 of ebay and the guy i bought it of has made an sims 2 exchange acount and i can not make my own cos it says "the acctivation code has already be acctivated" so is there a way of getting rid of an account please help!