This is for personal use only.
Seriously. Google owns these images and if you want to use them you have to give attribution and match their Terms of Service (read them here: https://developers.google.com/maps/terms). This is a personal / educational project.
How to use
Like I said, Don't use this to make big maps - it pretty much won't work. But if you want to try just clone the repo and then command line something like
php index.php 42.39506551565123 -71.16668701171875 42.32200108060305 -71.00326538085938 15 name
Examples
You can check out examples like this - 
Author
I am @bpurcell. Bennington Purcell. You can find me on Benningtonpurcell.com or bennpurcell.com