yeah thats interesting. our site has no logic to turn images. much more likely is that that's how the image was saved. some gallery software on your computer may have turned it the right way for presenting it but didn't actually update the image to make it the right orientation.
Your submission is posted to our site but it hasn't yet been added to an Art RPG queue for point counting, approval, and/or reward redemption. Submit it to the queue to get your rewards.
did you take this pic with a cell phone?