Donate money:http://www.redcross.org/ http://www.catholiccharitiesusa.org
Help a Pet: http://www.hsus.org/
Donate goods: http://beenthere.typepad.com/been_there/2005/09/a_clearinghouse.html
Buy a CD: http://cdbaby.com/group/redcross
Buy a photograph: http://www.flickr.com/groups/katrina_auction/