>>55452797and those ones are shit as well, but if you want people interested in your game, make it look different to all of the other games out there that look exactly the same, you can't sell people on a game before they play it if it doesn't stand out from all the rest.
I went ahead and did a quick edit of the colors a little to give an example, just changing small things will make it standout more.
Also, I suggest always making pathways 3 tiles wide, and bridges at least 2 tiles wide