We will be in Disney next week and plan to take a Minnie Van to MK on a morning where Early Entry is at 7:30 am. My girls want to be there early to take castle pics before it gets too crowded. What time should I schedule the Minne Van to pick us up? Is 6:30 too early? And do I just "order" it around 625 or do I need to do it earlier? Thanks for any help you can provide!