I posted half a dozen assessment questionnaires for PTSD and intrusive memories a week ago. Here are further handouts and information about intrusive memories, trauma, imagery and PTSD.
Flowcharts 1 & 2 (Ehlers & Clark) - here are a couple of Powerpoint slides that - although in colour - print out well in black & white. I particularly use the second of these slides as a handout when working to process traumatic memories. I use it to explain the why, what and how of the therapeutic approach we'll use. I think this orientation is especially important when working with traumatic memories, so that the client understands why they're being asked to re-connect to painful experiences they may well have been trying hard - and in Type I trauma, unsuccessfully - to forget.