I don't mean to sound like a dick, but why are you using psc? You surely have bank account as an adult? Always thought psc were used by underaged people and scammers.
Sounds like you are pissed just because there's a financial factor in play now. You didn't care before, did you? I wouldn't worry too much, I don't think there will be many donations going around anyway.
You can forget any sort of height modifiers, as those would force them to completely rework all animations(poses). There's a good reason why everyone's the same height, it's convenient for them.