Framing Articles, Books, and Links
MP articles on the general subject of American framing are available in Re American Politics.
MP articles on specific cases of American framing are to be found in the Examples section of this site.
For more resources, including framing blog urls, see Selected Sources and Links.
There are now innumerable articles available online about the newly popular topic of framing. Many of these also cite additional framing resources, trainings, or organizations. A good way to find them is to search Google for 'political framing guides' or 'issue framing.'
See also http://www.co-intelligence.org/ for a vast trove of valuable information on non-partisan framing and collective intelligence created or gathered by founder Tom Atlee.