Background Image Timescale : Options

(1) Option to change the background image at certain times of the day. Users could create a local file list / URL list and its time span, for example "image_1.jpg" from 0800 to 1200, "image_2.jpg" from 1200 to 1800, etc. (2) Option to designate a folder of background images that randomly change at timed intervals, e.g. every 2 hours or every 6 hours.