Why does my terrain look so horrible?

I’m relatively new to ue4, basically when I make my terrain in world machine I think it looks ok

http://http://tech.chasekanipe.com/uploads/1/1/9/9/11996875/5023005_orig.png

But when I put it into unreal it looks so bad I want to gag, what am I doing wrong?

http://http://tech.chasekanipe.com/uploads/1/1/9/9/11996875/47991_orig.png

Sorry pictures aren’t coming out here are the links

Make sure the resolution you set in World Machine is one of those at the bottom of the page;

And follow these basic rules to have a perfect match!

Landscape - Sizes and Height Guide

Landscape - Integration with World Machine