top-left is category size & name        top-right is photograph's reference clicking level with the image anywhere on the RIGHT-hand ½ of the screen, moves onto NEXT (does NOT stop slideshow) — likewise on LEFT ½ for PREVIOUS 3 backdrops available - click bottom-RIGHT triangle for DARKER, bottom-LEFT for LIGHTER again [F11] turns FULLSCREEN mode ON  (no Toolbars for better viewing)  or  OFF again
	back or forward 1 - may jump category    } wrap at start/end
	previous or next category's first image    }     of gallery
	thumbnails for current category
	index of photo numbers by category - with sample thumbnails
	searchable list of titles - using [Ctrl] F
	automatic slideshow     to stop  - 2 / 4 / 6 secs. delay
	exit - back to VPPS home-page
most yellow controls will cancel / alter slideshow mode
manually close this separate Help window once you've finished