How to make a picture collage?

Your photos could be glued or stuck onto a poster board and inserted into a frame. You could also mount individual photos into an old 6- or 8-pane window that you salvage.

Thanks

Get a large poster picture frame open it and use the back you will need a background eather paper or material start with a larger pic in the middle then add another next to that at a angle and keep going all over fit the mirror in diffrent angles

This might be helpful:

https://www.wikihow.com/Make-a-Photo-Collage

You can use photo sites like Snapfish if it's something you are going to print out and frame!