Show IH: Picz - Turn your Dropbox folders in proof albums

Hi, my name is Rael and I'm a software developer based on Brazil. I've just released Picz , a tool thats turn dropbox folders in proof album, helping photographers to share his photos with customers and allowing them to select his favorite ones.

Currently Picz is available only on a free plan with this features:

• Watermarker to protect original photos from copy;
• Unlimited albums user, protected by a password;
• Photographer and Customers notifications;

I'm looking for feedbacks about this project, currently the only users are my photographers friends.

Thanks!