I have dove in head first and made modifications to Frugal's Drop Lit Torches in Combat mod. I believe the script works properly for all three torches; Torch, Bright Torch, and Aeterna Torch. I have uploaded the file to TESNexus and can be found at the following link
http://www.tesnexus.com/downloads/file.php?id=35197. Please let me know if you find any bugs.