Having a lot fun with art rage... here is my first attempt :P
Love it. I like the kids clustered in a pocket of interest behind that big ol' vehicle.
Personally, I would add a bit of interest to the wall. It's a big part of the picture. Either casting a shadow, texture, ratty remnants of posters, a window, peeling whitewash paint. . . something.
Right now it sorta looks like an area of the image that has not been finished. I don't find that particular brown as being of any help. And the gold of the frame is competing with it because they are sorta in the same color and value range. It would work better if the wall was much more different. That would make the rectangle read better and keep the eyes within it.
Anyway, overall the image is quite nice. You should feel good about it.
I agree. I found my eyes darting towards the frame instead of looking at the painting itself.