Hi Jake,
Thanks for reaching out!
We do not have any plans at this time to integrate other mapping sources. Sorry for the bad news there! If you are interested in doing this yourself, this article is a good place to start. We are limited in the amount of support that we can provide for customizations, but if you get stuck or have any questions, please let me know – we always try to answer questions and point you in the right direction when we can!
We also have a list of recommended developers that you could contact if you would like to have the code done for you. If this is a feature that you would like to see added in the future, please do let us know over in our Feature Ideas Forum! This is what we use to gauge user interest in new features and help guide future development efforts.
I’m sorry I don’t have a better answer for you here, but please let me know if you have any questions!
Thanks,
Jennifer