Here at Pixeljoint we have a gallery queue that means general users (above level 1) can rate on submissions that have yet to enter the gallery. If those submissions recieve too many low votes, we will usually send it back with the message you recieved. Unfortunately because it's simply a rating system, we cannot record the reasons that users have voted the way they do (unless they comment on the piece itself).

Don't worry though, you went to the right place. Here in the WIP forum you can post your image and recieve comments and critique that will help you improve the piece.

Here is the image in question for those willing to offer their critique: