The poster looks good but there's a horrible orange thing in the background. It really needs something in basic black with lots of smoke. My most important rule is #17. I'd build layouts and then think I had to tear it apart, or throw it away, to fix the problems. It really never dawned on me to just fix the problems.
As previously stated, P.U. Nethgil, read backwards, is "lighten up". A helpful philosophy when following this hobby. MY personal philosophy, anyway.......
Murphy is an optimist because he knows that something is going to go wrong and he'll get the credit! And this makes him happy!!!