Thank you again for the fast reply. And you're quite welcome regarding the picture. I do think it would be beneficial to add something like that to the tutorial since right now it's hinted at but not really explained. It's almost always better to over-explain something compared to saying too little.
Oh, and while we're on the topic of the snippet map. This is a real nitpick and not a huge deal at all. But I think the layout you've chosen is a bit chaotic? There seems to be no sense to where each piece is placed on the grid and I assume you didn't care too much about it?
It's not really something you'd need to fix since even if it caused me to have to tab out of RPG maker 2-3 times and look at the reference picture in your tutorial, once it's all set up you can just copy paste that template and think nothing of it in the future.
But, if you do want to improve it how about a layout like this:
First row is for "odd" tiles, second row is for "T crossings", third row is for "corners" and last row is for "dead ends". It's not jumbled together and follows a logical pattern. Again, really no big deal but I'm (slightly) OCD (just a wee bit) so it stood out to me.
The above picture isn't perfect either though. I'm sure the order of each snippet on the individual rows could be made even more easier to remember at a glance.
[EDIT: Here's another layout which does not follow the row logic but might be easier to remember for the brain (I can only speak for myself since I'm not a scientist):
Anyway, I'm sure you understand what I'm going for.]
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As for the terms of use. Thank you. I'd really want to use this plugin in a game (and I like to have the option to sell any game I make, obviously). While I guess I could've PM:ed Kai Monkey myself I think you talking directly to him/her to see if he could give a blanket statement, that would make it easier for anyone in the future as well. So thank you again.
As for my error. I've still not solved it so I'll come back and ask more about that at a later. Unfrotuanlly I have to go to work for now.
But I'm really liking the possibilities that this plugin brings to the table. Keep up the good work!