piq - pixel art creator

I am working on creating a new texture pack for Minecraft, but the main file is larger than the biggest choice of canvas size in advanced piq. I was just hoping that the choices would be expanded :) thanks!
~flippy13

I understand that if the canvas was made too large, the pixel effect would be lost, but the fact that the texture pack is a 16x16 grid of 16x16 textures, I believe that it is passable.

a bigger canvas would be good if they add some function to store tilesets