
CandyFace
Because of the way the animation system utilizes tiles, there's currently no way to always have something in the background nor foreground on all frames. You have to add them individually before or after your frames.
If you want to insert something as foreground or background, without overwriting your frame, you should not use the "animation frame manager tool". instead, select the layer where you have the foreground or background (assuming it's only one layer) then copy and paste it onto your other frames using the "tile placer tool".
Here's a demonstration:

If you want to insert something as foreground or background, without overwriting your frame, you should not use the "animation frame manager tool". instead, select the layer where you have the foreground or background (assuming it's only one layer) then copy and paste it onto your other frames using the "tile placer tool".
Here's a demonstration:
