I'm excited to announce that using tile animations in Tiled is now supported in Tuxemon in the latest development commit! This has been made possible with support from the PyTMX project. (Thanks for the great library!)
In order for you to see the tile animations, you'll need to ensure that you have PyTMX v3.20.13+ installed. If not, you'll only see a static tile.
Here it is in action: