addThisImage() params

imagePath:  "pictures\loodncrood_83abfc05447b27e3.jpg"
srcImagePath:  "D:\www\favorite_things\utilities\edit_fav_pics\! SRC\files - test inputs\new\LoodNCrood _ 83abfc05447b27e3.jpg"
format:  "png"
thumb_mc:  Direct reference to gallery thumbnail
id:		"artist_filename"
artistName:  "LoodNCrood"

getCache(imagePath)
	artist
	tags {}
	url