You missed my point. I was referring to the people who said that -all- it needed were new tiles. Just so you know, those people are entirely wrong. As a friendly suggestion, I recommend checking out some official maps and trying to see what makes them flow, look nice, and in general just be good.
Also, check out this if you're really serious about your hack: http://www.pokecommunity.com/showthread.php?t=217054
Also, check out this if you're really serious about your hack: http://www.pokecommunity.com/showthread.php?t=217054