Hey Tom! Carol or David may edit my links here if need be or add to them, but these seem to apply to your questions.
The section inDPW art talk is here, with lots of articles:
http://arttalk.dailypaintworks.com/c/daily-paintworks/how-to-get-the-most-out-of-dpw
DPW Picks: What time(s) are auction & FB picks chosen?
Featured artist page: http://help.dailypaintworks.com/knowledgebase/article.php?id=54