Rpg maker Vx Ace tilesets

[evmaster]

I cannot figure this out every single time I play with this. I really really want to make my own tilesets but I need help figuring it out.

http://blog.rpgmakerweb.com/tutorials/anatomy-of-an-autotile/

There's this tutorial but I can't make sense of what he says.

Here is my template




and this is what it looks like in game





It's super frustrating I still haven't figured this out. I keep playing with this in photoshop, copying, pasting, flipping the images horizontally and veritcally. An each attempt I spend at least an hour with no success whatsoever.