Is this the first time of the contest? How much Hive was given the last time?
Afaik, professional pictures are expensive so if they have to 'invest' in outfit, photographers and such, it would be nice to have a juicy reward.
Just considering possible cost, I would estimate 100,000 Hive to be proper for the first and hopefully half for second.
We have made arrangements for professional pictures, videos and fashion for the entire event at an affordable rate for the first edition. It is to prove to that hive Blockchain that we can do it. We don't want to put hopes up for massive events. The aim is to beat out targeted audience and make a change.