The website in question, Okami Art, has three main facets to it. The first is the gallery, which features numerous pieces of art from the videogame, split into sections for Characters, Backgrounds, and Amaterasu herself. The second section is full of walllpapers of varying resolutions, done by the game’s artists, for you to download. The final section is dedicated to Okami fanart; this portion of the site is a bit empty right now, but Capcom encourages fans to submit their own art, as doing so will enter them into a contest, with a chance to win some currently unannounced prizes. The site also includes a link to purchase a book entitled Okami: Official Complete Works, an official art book done by Udon Entertainment; you can look at that here.
Okami is set to be released for Wii on April 15, with a MSRP of $39.99.
This art looks pretty awesome, and I definitely like some of the widescreen wallpapers; this website was a fun promotional idea.
