so what u do is .... download the project left click on all costums and click emport bakground then you get to pick a place to save it then you go to iaza.com you click upload image(browse) then convert/upload image then there should be a list of options below your one pic. find frame animation and click this will let you put in the other backgrounds after that scroll down set the time to 1/100 and the amount of loops to forever then press convert next right click and save it upload it to scratch if this was confusing look at arty cat's tuturial