A whole bunch of pencil and ink OA just put up on Clayton Crain's site
I'm not associated with Clayton Crain in anyway, rep him or have even met him, just a big fan. This is the first time I've seen him upload pencil and ink pages to his site, so I thought the community may find it interesting. Since it's art for sale, I figure this section would be more appropriate than the main OA section.
There are a bunch of pages, some complete OA issues, and some Curse of the Spawn stuff, with one inked by McFarlane.
http://claytoncrain.com/products/