They are all pretty decent, except for the crate/barrel fence. It's just too obvious that it's crates and barrels. Try using only one crate for the side post, making it twice as high as it currently is. Also try making the barrels broader and/or higher to make them less obvious.
Here are a few fence ideas, feel free to comment / add your own ideas.
i know the basic chain link and security fence are there, they are there to show size and scale of the ones i made
@replaywarrior: Go
castarnar lightboards are super cool to make fences out of
They are all pretty decent, except for the crate/barrel fence. It's just too obvious that it's crates and barrels. Try using only one crate for the side post, making it twice as high as it currently is. Also try making the barrels broader and/or higher to make them less obvious.
Kinda decent. I suggest you try to replace the Crates & Barrel with one made of shelves & small-scaled assets to fill it.