1 no changing the picture without permission UNLESS it's flat
2 no editing or adding new rules UNLESS the rule is about the picture being squat
3 no talking about anything other than hetalia or the fact that the picture is squat (osomatsu-san is acceptable)
4 no adding projects other than hetalia ones or ones about the picture being flat.
5 no adding hastags other than hetalia ones or ones about the flat picture
Joker700: didn't follow rule 4