UI design for an iOS(iPhone) photo editing app

C'est ce que Oriflamme Apps recherchait dans leur graphic design

This design contest is to design the UI/screenshots of an iOS(iPhone) app named "True Colors". Some minor design details are left out at this point as the mockup is still in progress. The icon of this app will be designed separately. The winner of this job will be selected to work on a long term basis as an iPad version and several updates will have to be designed as well as the Android version. Please take
this as a long term opportunity.

The photo app is called "True Colors". The design need to dynamic, different that stands out WITH a serious and polished look.
All the mockups and sample screenshots are attached for ease. Please thoroughly review them.

This app has the following screens:

1. Welcome screen(just a simple background will do now as icon will be put later).
2. Main Screen (or LightBox)
The background of this screen can be the same as the background of the welcome screen. It can be a wooden background OR a background of your Voir plus