Overview
If you want to make a custom picture for one of your saved creations that will show up in the spawn menu it is not hard.Right click on your PPG and go to browse local files.Find the Contraptions folder in your People Playground files.Find the name of your contraption. In the folder there are three files, the one you want is (contraptionname).pngTake a screenshot in game or find a picture you want.Crop it in a photo editor so it fits in a square and can be clearly seen, make sure to save it with the same name as the contraption you want to replace the picture of. (your new edited png shoudl also be named contraptionname.png)Replace the old picture with the new picture. The new pic should now show up in your game and if you publish to workshop.