Dawn Treader Concept Art Spotted?

Sharp-eyed Icarus has spotted what appears to be concept art for ’The Voyage of the Dawn Treader’. In the latest trailer Behind the Scenes: The World of Narnia there’s an interview segment with Isis Mussenden and on the wall behind her are what appear to be several concept art pieces for VDT. Take a look for yourself by clicking here. What do you think?