Sigma90
Brain of Cthulhu
I want to get around to corruption/crimson amounts. I don't really care for paintings, and they might end up being incredibly painful to add an option for that.
Furniture too, it's all integrated in their respective code segments.
The snow not being at spawn should be possible, I'll have to remember to try for that next update.
I guess I could have an option for enchanted swords shrines being real, but arkhalis dropping is impossible. What menu should that option be in?
Non-stripe Hallow segments would mean me writing a lot of code, not sure if I want to do that.
The shadow orbs/crimson hearts is my bad, I thought it would be cool, but I guess people thought otherwise.
Guaranteeing pyramids might be hard.
Sand spawn -- Sure, should be easy.
The towers are written in a way that makes it real hard to mess with, but maybe.
They were suggestions, so it's up to you what you would like to do.
The Corruption/Crimson amounts are the main thing stopping me from generating a perfect world. Sand and snow are a personal gripe of mine. (Always so much sand! And snow is too close to spawn.)
Most of the other ideas come from the thought of extending customisation of the world. Though I am curious: There's an option to guarantee at least 1 pyramid is generated. Why would it be more difficult to guarantee 2 or more? Is it because of trying to find a suitable spot to generate a pyramid? And also for Enchanted Sword / Arkhalis -- from your comment, I'm guessing that the sword you receive is not determined in world generation and is instead determined at the time you mine it?
I'll definitely be keeping an eye out for future versions!