Array of Images - What is the best adobe programm?

Hallo everybody,

i'm new to this forum and this is my first post. May someone can help me:

I have got 12 images (jpg) of the same size and i want to do an random array of these for a high quality ditigtal print.

For more variation the images should be mirrored. What is the best adobe product to do that?

Is there  a way for automating?

Here is a quick concept drawing:

thanks for help

cheers ole