Hi, I've made a little post about how I made the background art for the prototype/demo I made for a point and click adventure Clowntown.
Feel free to give feedback if you try it, it was my first time writing an adventure so I'd like to hear from you if there's something you enjoyed in it (or not!)
https://emanuelek.itch.io/clowntown/devlog/737594/background-process-showcase