These files were all downloaded from openfootage.net
the author releases all his textures and photos under creative commons licenses

from my understanding it's CC-BY, even though he doesn't state which, but he did say he only wants us to credit the site, not resell/sell it (while we're free to use it for comemrcial purposes)

"Yes you can, all the footage is realeased under the creativ commons copyrights giving you the rights to use for commercial, non commercial, remixes or whatever you want. The only exeception is you are not allowed to resell or redistribute the textures on other footage sites or collections. "