This is the sketch for my recent portrait image of Link. As you can see, my sketches are not very fancy. I didn't even think to include all of the intricate designs on the shield and sheath until I was in the vector phase.
Finished image: http://freakshow6.deviantart.com/art/Link-Cheat-Shield-141451959
You can buy a print of the finished image here: http://www.etsy.com/view_listing.php?listing_id=33393960
There are only 2 left for sale at the moment, so act fast!