> > You probably need to paste z data for that, but I don't know if that's implemented. Do you know what this data is?

> Not really...when I play with some tiles that don't have it in game, I might have a better idea of what it does. You could of course just have it copied from another cell ofr simple flat cells...added extra image data for custom tiles might be harder.

Yes, but if it's not required and you don't know what it does that's not really useful.