We've all done it. Glued something on wrong, left something off or painted it the wrong colour. Here's a couple of mine;
My famous Seafire with backwards propeller. Unfortunately I looked at the illustration in the paint guide when gluing it on, leading to the mistake. At least one other person on the forums out there has done it.
Now I don't have a picture of the next as the kit is packed away, but I built a two seat P-51B coded '4VF' way back when I was 16 off a profile in the magazine SAM. It's colour was dark blue with a red nose. I cut up a Tamiya kit, put in the Verlinden resin cockpit where the fuel tank and radio would be and all was good. I even won 'Best Intermediate' at Model Expo with it. A year later I was at the War Memorial in Canberra flicking through a book in the gift shop when I saw this picture;
Damn.
Over to you guys.