Here are a bunch of videos involving FFA fighters or with FFA mentions:

 
Marcos Avellan MMA Fight

Michael Bernhard’s First Two MMA Fights

David Avellan Grappling VS Jorge Pereira

Marcos Avellan Grappling VS Jared Weiner

David Avellan Grappling VS Luke Stewart

Chevenne “Che” Moreno MMA Fight

Marcos Avellan Grappling VS Joe D’Arce (Renzo Gracie)

David Avellan Grappling VS Gary Grate

Former FFA Fighter Kimbo Slice Giving Thanks to FFA