turn the flag into a different one (preferably into something similar) - no repeats - use basic colors (full saturation + brightness (except for grayscale) and preferably a hue of an integer times 50/6) - complicated images (like the one in mexico) can just be regular images, but everything else should be vector - keep the ratio 4:3 flag log: start) usa 0) liberia 1) chile 2) poland
