The Steemit.com Freshman: Looking for the Best Method for Posting Content

Perhaps Steemit.com is the answer, but wondering if there are better ways for posting content on the platform. I know that there is Dlive.io and d.tube for video on Steemit, but what about text and pictures. As I prepare for an upcoming trip, during which I suspect there will be many fantastic photo ops, I want to make sure that I'm well equipped for posting what I capture: