Thanks for the quick response. Too bad about Corona's issues.
Ideally I would like to import an Atlas from TexturePacker for example, instead of a file of images into Spine. I really don't want to have to create an Atlas from code if I can avoid it. Naming the images by number, or whatever system makes it work would be fine with me.
I really like the workflow of Spine, hopefully it will be possible to make it play nice with Corona. Perhaps you should write to Corona with these issues. It would be in both your interests to have a smooth workflow.