i have figured it out - he's not saying its him in all his uniforms 8) - hes showing us what they look like for information for the site.
but i still think hes a creepy knitwear expert.
A few days ago I done a random google image search for "Luftwaffe" and it came up with one of these pictures, but with a different source. I didnt take much notice of it, ill have a look later and see if I can find it again.