Need help with stuff for MCSG maps

[Moshanator1]

Hi guys,
I am currently making a map and i was wondering if i could ask people about this stuff, I need help
on making a terrain with WE [Worldedit] And Can people give me some tips plz
Thanks!

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[SniperSnakez]

Make it look Realistic, and a tall grass! Also add some different/man made trees!