How on earth do I change the texture on the ground? I read that you right click but that's not working at all. Help xD

You need to open the CS and then the landscape editor. make sure that show edit radius is checked, select your texture from the list. In the render window you should see a red ring, and right clicking will change the texture where that ring is.

That's what I've been trying and I can honestly say it isn't working.

Hahaha D< I found out what was going on... I had "Edit Colors" ticked. Now it's working, thanks xD

Have you tried different textures?

Open the CS press H (or go to world landscape editer) click on 'add texture' then 'select texture file' and chose the texture from your files. Then click on the texture in the list and right click on the ground to change that section to that texture.