to change the backdrop press a-1 b-2 c-3 d-4 e-5 f-6 g-7 h-8 i-9 j-10 k-11 l-12 m-13 n-14 o-15 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ please tell me which one in the comments ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ please put the number when you add a comment like this 10 or 8
