DFC stalwart Wendy Norris wrote an excellent article about Democracy for Colorado's nascent efforts at "culture jamming"--disrupting the propaganda from right-wing radio with truth. Here's an except:
The fledgling movement among Colorado liberals to learn effective techniques to engage conservative radio shows was the topic of discussion at the Boulder Outlook Hotel on Tuesday evening. The program, hosted by Democracy for Colorado (DFC), a statewide organization dedicated to promoting progressive candidates and issues.

DFC board member and frequent radio caller, Joe Richey, explained that the KOA signal blankets the intermountain western states—from Arizona to Montana—and can reach as far as Iowa under certain weather conditions. "Right-wing radio is powerful in informing public opinion in Colorado," said Richey. "Our purpose is to monitor these programs and learn how to call in more skillfully. The use of polling data is really specious. When they mistate the results of the poll you can call the polling agency and tell them that their work is being misused."

Please read the rest at Colorado Confidential.