As Star said, there's no specific place for getting feedback, so you need to ask when you post. It'll probably help spark replies if you say a bit about what you're looking for. Is there something in a particular image you're not sure about, or is there part of the image that's bugging you but you can't tell why? Or are you maybe looking for other possible directions to develop the particular image? Or are there two images you have, and one seems to you to work and the other not, but you're not sure why? And so on.
The feedback I find most valuable for my own images is when people say what caught their eye in an image or -- really useful -- when they can replay their reactions to an image: what their eyes were drawn to, how they moved around the image, what they may have gotten stuck on, what was a distraction, and so on. It's a lot of work to give that kind of feedback, so I'm always grateful when someone takes the time to do it.
On the other hand, I don't find it so useful when people tell me what they think is wrong with an image and how to "correct" it, because if I follow that route, I end up trying to make the image they would have made, not the one I wanted to make.
It's the difference, I think, between someone saying "Get rid of that branch poking in on the left" and saying "My eye kept jumping to that branch on the left."
One of the things I found to be eye-opening after some time hanging around here is watching the B/W and MobiColour challenges and the selections the different judges make each time. It really brought home to me that different people will see different things in the same image, all conditioned by who they are, what they're interested in doing themselves at the moment, and what context they're viewing the image in. (Note: I'm enthusiastically unprofessional
so things that may be important for a pro may not matter much to me.)