JoAnne Dahl, Ph.D. put together an amazing podcast series, ACT: Taking Hurt to Hope. She has well over 50 episodes in her archives. She digs deep into ACT for both the self-help and the therapist audience. She has fantastic guests and covers an enormous array of topics within ACT/RFT/CBS.
You can listen to the ACT: Taking Hurt to Hope podcast on WebTalkRadio: http://webtalkradio.net/internet-talk-radio/act-taking-hurt-to-hope/