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 use in Unfade
3) Tap Share in the bottom left corner
4) Choose Unfade from the list
The pictures will now be transferred to Unfade and saved into a newly created album.
If you open Unfade again, you can work with them!