I have views 6.x-3.x-dev, views_slideshow 6.x-2.x-dev and image 6.x-1.1. I have a panel page with two slideshow singleframes displaying side by side.
These are identical save for the flags. I want one to begin cycling after the other.
As soon as I enter an Initial slide delay offset, all the images disappear from that display. If I remove it, they remain gone.
If I change the style to "unformatted" they reappear (but obviously not in slideshow); back to slideshow and they disappear again.