images = [
[['panorama_trafalgar_square.jpg', ''], ['panorama_driveway_tegula_circle.jpg', ''], ['panorama_diarmuid_lunar.jpg', '']],
[['stone_walling_small.jpg', ''], ['ramp_small.jpg', '']],
[['woodhouse_small.jpg', ''], ['bollards_small.jpg', '']],
[['garage_small.jpg', ''], ['bellitalia_small.jpg', '']],
[['beany_small.jpg', ''], ['greenhouse_small.jpg', '']]
]; // each sub-array lists every frame states of each photo withs its (optional) link URL
period = 5000;