Looks pretty good, but a few comments:
The "blue" (for lack of eact name of upper surface color) dips down lower than the trailing edge of the wing root then angles sharply towards the rudder. I think it would be a straight edge off the back of the wing root and a more gradual up-sweep following the contours of the fuselage itself.
What's with the color around the stars? It's hard to tell what it is in the photo, but definitely not white (the bars stand out). I'm not suggesting you did it as white (clearly not) but what's with that in the photo? This could also be an optical trick, but it looks like the outlines around the fuselage codes match this border around the star and bar. They're not as bright and "bleeding out" as the white pigments in the photo are.
The paint demarcation on the bubbletop framing can be tricky. It looks like you've nailed it on the port side, but that on the starboard side you're a hair short (maybe just a pixel's worth, or two) and this causes a bit of a "blob" of silver. Minor point, but you've got it on the one side, might as well do it on both
The stretch area also is kicking in at the top of your fuselage roundels port and starboard. You might need to shave just a hair (a pixel) off the top of them to prevent that stretching from smearing around the upper surface like it does.
Overall, not bad at all. Defienitely good enough to fly around the MA killin' folks!
