Futuristic space ship

Her is what I have so far.
http://gallery.mudpuddle.co.nz/hoagies/shipsquirrell
It’s a little early to critique but if you want to you can critique on the basic shape of the model. Also I was wonder if anyone knows how to put little indents to repersne t sheets of metal? any suggestion would be helpful

it’s lot of work before you… good luck