Related websites: I work at under these two clinics: Portland Psychotherapy, and the Portland Mood Disorders Clinic.
Here are some trauma/PTSD related sites for additional resources:
National Center for PTSD
Gifts from Within
Rape, Abuse, & Incest National Network
National Organization on Male Sexual Victimization
NIMH: Coping with Traumatic Events
Audio Files: I’ve helped compile a list of mindfulness and acceptance audio files for another website. I use many of these exercises in my practice. You’re welcome to check them out here.