I say no. It's claustrophobic as it is, and the character limit is already being pushed in many cases. If you happen to use the same skin often, you will start remembering which is which.
Might be interesting, but overall I'd rather not. IMO.
EDIT: It's also very ameican-centric. It only really applies to US P-series aircraft, for the most part. Or b-17/24/25s