Just click the green flag. The background automatically adjusts depending on the time of the day. You can change the cloudiness to change how cloudy you want it to be. Turn on turbo mode (Shift+click the flag) to make the clouds move faster. Love it if someone could propose this to be featured at https://scratch.mit.edu/studios/28715018 ! Looks a lot better at: https://mirror.turbowarp.xyz/?hqpen&stuck#1364960190