No worries @Hollyh. Yeah they will make some, i just googled iPhone to usb and came up with this http://www.gearbest.com/usb-flash-drives/pp_268757.html?currency=AUD&gclid=Cj0KEQjwo_y4BRD0nMnfoqqnxtEBEiQAWdA12zUXNPXwEXe-B2nY0QDosMLYzLXTVrkJKKUUniSpT-QaAhLi8P8HAQ Its pretty much what i used, but mine was made for samsung.
Dropbox is a great idea, just have to hope for good wifi, it slows right down when a bus load of 40 people hop on all at once :P.
I wish i took more video for the memories, i did make a video and post it on youtube from the stuff i did take, but i did film much at all . Im jealous, i wish i was going again!