You could try extending the ceasefire to longer duration/permanent and with locked teams[in case they don't mistakenly become allies at some point], or search through here https://gitea.wildfiregames.com/0ad/0ad/search?q=ceasefire. Goodluck.

This is a good idea, there should be a built in peaceful or creative mode. Build a Wonder is a victory condition, in the game setup. Also, you can select Revealed Map and Explored Map. also in the game setup page.  Also, in the game setup, if you click on the little checkdot that says Conquest, it will disable victory all together, so you can build endlessly. As for the female citizens thing, two thoughts: A: R28 removed female citizens, with randomized men or women models. B: What makes men less sexualized than women? What about for most girls? They certainly think men are more... ahem... than women are.

No. The hero should go fast enough to match the speed of the people affected if they are the same type of unit (i.e. an infantry hero with a +10% speed bonus to other infantry should go 10% faster than the default infantry). It just makes more sense, since generally the point of auras is to show how the heroes inspire their companions, not how they inspire themselves.

Her skin is made of ivory. Her clothing is made of gold.   

17. Elephants should Garrison inside Forts as well