Number of edited images? 2
Before and after images
and screen shot with layers showing in Photoshop or Photopea
required? YES
Mr. Lindroth’s Sample Album
Photoshop Video Tutorial
Fill A Photo With More Photos Photoshop Essentials Tutorial
Here is a variation to increase contrast and view of main face:
Here is an explanation of this technique here:
Variation for Fill a Photo with Photos Pattern