The ones in the screenshots are actually not up to date, I will add a screenshot asap of the grass tile actually included!
Oh, I actually recommend my other tileset if you are working on a serious project!
The thing is, that one is more complete, versatile and better as I made it after this one, sure if you want high resolution sprites, this one is the only only option for now, but soon...
Also, best wishes for your fangame!! :)
Edit-this one