Help! Providing work samples for an interview

I have been asked to provide work samples for an upcoming interview. If I submit a training presentation or a participant guide, do I submit the entire product or just a selection from it? I don't feel comfortable handing over a completed PowerPoint presentation, participant guide and/or instructor guide from company A to company B. Even though I created it, the work is technically "owned" by the company I worked for at that time. Out of respect for my former employer, I would prefer to only provide a sampling of the work. How do other IDs handle this? Would it be odd if I provided a sampling of slides or sections from a guide?

Thank you so much!

Hi, just create Snap Shots of the files. BTW how did it go?