I'd lose the boards and the light from the windows. In the concept, the window is dark. Is there a reason you haven't included the bear & deer heads? The folds in the curtain are too sharp.
if you extrude a plane (all faces including borderedges) maya tries to create a volume... if you extrude first downwards and do the inset in a second step it will work...
Not necessarily, but most they expect that type of work. I may include my graphic and IxD design but I don't to develop it to create more variety as that is what they ask.
And so here I am at the end of my long journey. Final submission and a screen cap included. The Hawkbeast has a Run and an Ultimate. https://vimeo.com/253719006