None of the download links seem to work for me.. They all go to what appears to be a generic homepage for the website

Hmm, that's neat. I've had some success with my own a* pathfinding implementations, although it's cool to see what it's outputting other than just the path. Also, there's one thing that seems to be missing: if there is no valid path, your algorithm currently locks up in a while loop. You have to add...