Exporting to PDF with images included by relative path

[JavadocMD]

Sometimes I want to display images in the markdown content of a Notebook, as in: ![My Image](./img/my-image.png) -- note the relative path.

This displays fine in the Code viewer, but fails and raises an error when exporting to PDF -- seemingly because it's working with files in a temp directory where my relative path does not resolve. The tell-tale error is:

LaTeX Warning: File `img/my-image.png' not found on input line 404.

! Unable to load picture or PDF file 'img/my-image.png'

I can work around this by supplying an absolute path, but this is of course not ideal for a team project. Is there a way to get relative image includes to work seamlessly when exporting to PDF?