Hacker News Reader

You can upload pics from Safari using Picup: http://picupapp.com/

Yes, but remember that this requires the user to download a separate app in order to have the upload functionality in yours.

Your web application would have to be pretty damn good to get a user to go through that much effort in order to use it.

Just pointing out that it isn't impossible just merely extremely inconvenient to load pics through Safari.

We've been using the photo sending by email functionality for this