This is a real fire trail element. Just overlay the clip in your favourite editing or compositing software using 'Screen', 'Add' overlay modes.
This actual clip has been used in countless large budget music video and film projects and until now has not been available for use outside of the company.
This clip can be overlaid over your footage to add texture and clutter.
Recommend, 'Screen', 'Overlay' or 'Multiply' transparency modes from 5% to 100% transparency.
Adjust the Curves/Levels as needed.