Do you have older pictures stored in your Photos app and want to use them in Unfade?
Here's how you can import them:
1) Open your 'Photos'
2) Select the pictures you want to unfade
3) Tap 'Share' in the bottom left corner
4) Choose Unfade from the list.
The pictures will no be transferred to Unfade and saved into a newly created album.
If you open Unfade again, you will be able to work with them!