Set Image as Background? (Python)

Iā€™m making a simple scatterplot and want to lay a map underneath for reference. Does anyone have any advice about this?

Background images are coming to Plotly in the next few months.
For now, one workaround is to embed the Plotly chart as an iframe in a web site, with the image underneath it:
http://slides.com/jackparmer/deck-7/fullscreen#/