I've donated a box of signed books to the effort -- a complete set of ICE & FIRE hardbacks, some Wild Cards books, and other items. And there's some great swag from JUSTIFIED, SPARTACUS, and a lot of other TV shows as well.
Check out the current offerings at
http://www.ebay.com/sch/moryanwatcher/m.html?_nkw=&_armrs=1&_from=&_ipg=&_trksid=p3686
Then bid, bid, bid. It's all for a great cause.