@annied Yes, I have changed it on several occasions, and likely will again now that I know it amuses you. They do appear to be random in their placements.
@bigugly hahaha it does amuse me - on my notifications it is the b&w face close up and there is another lurking I think too - ah yes another more sepia face close up hahaha
@taffy thanks Taffy :)
Again a piece of intriguing art...