RandyTayler posted this and its great, but some of the sprites seemed out of order. The animations were a bit wonky. I reordered them so they all play nicer, and I put the standing sprites at the beginning since it made more sense to me. The sprites are laid out on a 50x50 grid. 

Original here:

https://opengameart.org/content/spritesheet-3d-man-running-eight-directions

If you want to credit, credit RandyTayler.