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This is how I did this.

I only have PS Elements 5.

I opened the pics I wanted to insert. Then I opened my template (that I've uploaded to my photostream).

In the template, I used the magic wand tool to select the white parts that I wanted to insert the photo in.

Then I went back to the picture I wanted to put in that white part. I selected all of the pic and copied it.

Back in the template pic, I did "paste into selection". Then I resized the actual photo so it fit into the white part.

Did that for both photos.

Let me know if you need more detailed step by step, I'd love to help.

Done