Welcome to HBGames, a leading amateur game development forum and Discord server. All are welcome, and amongst our ranks you will find experts in their field from all aspects of video game design and development.
You can make the trees as "dummy" enemies that can't move or attakc and that drops "logs". I can't tell you how to do it because I don't know very much about Mr Mo abs, but look in the instructions. I'm pretty sure this script can do that.