the trash can liner proved to be the right stuff for a no stick experience, tho it will be taped & stretched next time for a smoother, more level no stick experience. and i think i got carried away with paint & ink (shock!) b/c this could be a bit of a challenge to see an image on. tho if it's bold enough it would work.
here's a close up so you can see the fabric. the white bits behind the fabric are actually clear, as you'll see in the next photo. this is the scanner lid showing through.