Press space There are instructions how to do this on the main project when you remix YESTERDAY WAS MY 10TH BIRTHDAY[also read all] Comment #Happy-birthday-skss1 or just happy birthday(Also actually mean it when you say happy birthday to me!) And remix and add your OC[On to the backdrops,that'll make your life easier.Also don't edit the first backdrops,only edit the second,3rd and 4th backdrops(And if you really need to,make a 5th backdrop)] on the along with your user name a few others(with names/username[could be scratch or any other kind of user name]) or even make a second page with more people(and their names/ usernames)(youtubers,scratchers,random ocs,you get the idea[i hope]) Go here for more info: https://scratch.mit.edu/studios/27878403/
@mrpooly i hope you don't mind This too much but this is how you should have added yourself to the thing so your character(s) have more space. :)