Concrete (and other tiles) will place at your feet! That's as simple as it gets. There is a blacklist in the mod settings so you don't use up all your stone in early game. Use the item name, not the tile name, in the blacklist (eg. stone-brick NOT stone-path). Shift + Numpad+ : Increase Size Shift + Numpad- : Decrease Size Shift + Numpad* : Pause/Unpause Happy Feet
Small changes concerning balance, gameplay, or graphics.