I wrote a ruby gem to do this: https://github.com/mmb/plumnailer https://github.com/mmb/plumnailer The current ranking is simple but I made it pluggable with t

I wrote a ruby gem to do this: https://github.com/mmb/plumnailer https://github.com/mmb/plumnailer The current ranking is simple but I made it pluggable with the idea that it could be improved or there could be multiple implementations.