Astronaut by Scott Benson, who has art on sale here.
Legolas by Roger Cruz.
Jordan Lamarre-Wan posted some Epic Mickey concept art.
Tintin joins the League of Extraordinary Gentlemen, perhaps, by Britt Wilson (for Toronto draws Tintin).
Alberto Mielgo posted a bunch of Harry Potter and the Deathly Hallows concept art.
*Buy Tintin toys at eBay.