That's really not how it works. Nearly every good thing I learned about painting and modelling I learned here from someone else, so if nothing else, this is a good place to get feedback if you're looking to up your game.
But even if you aren't, the showcase is for
everyone at every skill level. If you are happy with your work, you should show it off even if someone else is "better" - otherwise only like 3 people could post here
It's doubly wrong since you did a really, really good job. The guts came out especially nice.
You could do a light, gentle drybrush of brass on the bell to bring out some contrast.