How to export visual from blender for S4S?

So I added manipulated cubes and more push pins onto the cork board from the base game. Then added photos as textures to the outside facing planes of the cubes. So it looks like this: 

If the photos doesn't embed (cause this is my first post and idk what I am doing):

drive.google.com/file/d/1WWyGandV4EyZxchuOTyjotT0-Vq-FHqB/view?usp=sharing

Does anyone know how I can take that visual from blender and get the same effect in S4S? currently it looks like this:

drive.google.com/file/d/1atfbw3S0FSijWG6yaAYZ4XJP8SrES08z/view?usp=sharing

Any advice and suggestions are appreciated! Thanks again!