Ever got tired of the same old terrain textures in maps but didn't know how to make new ones? I can teach you how to make custom textures. It's really easy!
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First, open a program like GIMP or Photoshop. (Paint sucks, and idk if it works anyways. xD)
Change the size to 512x512. I don't know if any other size wil work. Most likely not.
Next, paint whatever design you'd like for your terrain texture.
When you finish, save it. (Note: It should be a .jpg file. For example let's say I had a lava texture. I'd name it lava.jpg)
IMPORTANT: Save it in FeralHeart>media>terrains>textures
Then go to map maker and your texture should be in the list of textures. 
You: That's it?
Me: Yup, that's it!--
Screenshots of my first custom texture :3
Nyan nyan nyan nyan nyan~
