I know this can be done in the built in batch renderer, but sometimes adding batches of files this way can be cumbersome.
Thank you to Jesus Sosa, who showed me the command lines to render flames.
I've set up an information page here on how to edit the batch file to get it to work
I've set up an information page here on how to edit the batch file to get it to work
But I've also made a semi automatic batch file which prompts for a drive letter where JWildfire is installed and then the folder name. It will then search and use the last .jar fiie it finds, so probably just make a temp copy of JWildfire somewhere, and give it that folder name.
I'm attaching the batch file here, but you'd be wise to
Read the information about this batch renderer here
It's not perfect, but when you have folders full of flames you want to render it's a godsend.