1. add your gif to the canvas, by going to Select, All Layers. Then you can drag your gif and all the layers will stay in place.
2. Add the the images you want to the canvas, make sure you put them at the top of the layers, you shouldn't be able to see the gif:
3. Blend the images so they don't overlap, and arrange them how you them. Then rub out the ares that cover the gif, so you can see it:
4. Now you can add your Colouring. I am using one of my own you can download it
Here
5. Make sure the Group or your layers for colouring are at the top!!!!!!!
6. add the text and your done: