I like this mod, and want to help. But I have not done any mods with "new worlds" so I'm not sure how exactly to make "craters" and other terrain generated things. So I sadly cannot help in this. But nice idea!
Private Mod Note
Rollback Post to RevisionRollBack
Don't forget that icon down there to the right. Please click it if I helped.
[~If I don't reply and you still need my help, PM me.~]