I think Charlotte is single again but I get the impression from her twitter that she makes enough from camming to not have to escort.
Sandra used to be A LOT less expensive than she is now & I doubt Lottie's prices will drop that much now she has a killergram contract...
I keep hearing mixed things about Francesca, bad attitude to punters & multiple profiles but admit to being tempted myself. Horny Holly might work for you tho?
I'm posting a review on Hot Kim in a minute, she's certainly stacked but probably a size 12 body wise, I don't know if that's slim enough for you? I do know she really enjoys having her tits played with.....