I like the effect of the negative look and the different tones. I found my eye wondering around the picture looking for the main focal point.Maybe if the solid grey area at the bottom of the picture was a little less it would be less of a distration. Only my thoughts
I like the background and the berry very much! But personally find the grey foreground a bit distracting, I would have edited it out. But that is probably only me.
CC is always appreciated :)