This script quickly runs the edge detect filter on all layers in an animation using the settings you choose. The preview was created by running the script defaults on the lava script preview image.You can download the script here-> FP's edge detect all layers script
Download the zip file, open the zip file by double-clicking on it and copy/paste the script to your GIMP scripts folder (ie...C:\Program Files\GIMP-2.0\share\gimp\2.0\scripts). Refresh your scripts and you're ready to go. The script can be located under the Filters > Edge-Detect > Edge Detect All Layers...
Let me know if you have any trouble or need additional information.