Ok here is an older thread for those interested, as far as I recall this is about the only guy who has ever done portraits in wood very good [superb actually] on a regular basis. Unfortunately he wouldn't share much of his methods and stopped posting years ago, still an interesting read and a window into what is possible if you work out a correct system.viewtopic.php?f=16&t=14396
[This explains why he was so coy about sharing info and dropped off the forum http://www.pictures-in-wood.se/
, he sells them and doesn't want to tutor competition, understandable]
Glad this came up, always meant to see if I could duplicate his success, don't see why I couldn't. Once it warms up here am going to give it a shot in earnest. Along with having settings fine tuned, he must use a combo of sanding and staining to make the low points stand out, and he must have figured a way to do it fairly easily and routinely. Anyone trying to do this must be prepared for multiple failures and alot of frustration before success is achieved, unless you get lucky.