I've printed out a version of the one I showed immediately above, this time with better ink, and I think it will do the trick. The photo below is of the paper printout. I'm hoping tonight I can take the time to fasten it in place. I like the idea of spray adhesive... Will pick up some hopefully later today and move this forward. Thanks for the tip,
Greg!
In case anyone is interested.... the site textures.com has a lot of images of all kinds of textures. If you register (for free), you can download a limited number a day, and there are other kinds of restrictions on your use and dissemination of them. Generally what you get are just small segments, so to create larger images like the one I used you have to go into Paint and then copy and paste to assemble them. (You want to use the images labeled "seamless" for this purpose -- they have been already manipulated so that people can select, copy, and paste, then match them up side to side and end to end, and they match up in color tone, shade, etc. so you don't see the borders between segments.) Once you've done that you also need to resize the images to properly scale them -- I just do that in the Paint program that's bundled with MS basic Windows. You also then have to make sure that Paint prints them out in the same scale (instead of, say, shrinking it to fit a single sheet of paper). Image below is just thumbnail size, but as I mentioned earlier, I got the planks to scale to about 10 inches wide in these printouts, and a search leads me to think that for interior wall planks that is a plausibly accurate size.
I'll post some more pix as I continue this process... Perhaps later this evening, if I have the time to work on it. Unlike the work I've been doing so far, I'll have to spray the adhesive down in the basement on my work bench with lots of extra newspapers spread around I think. If it doesn't happen tonight, don't look for another update until the end of the week -- meetings tomorrow night and Wednesday.