Thanks, it's funny how many things we didn't know about other people once we've parted from them!
Jane, I'm sure you will get to see those sites one day. This page has got great Galaican / N.Portugeezer pix:
Fitz, nice to see you. Fourwinds, the Fourknocks zigzags you mention are amazingly more complex than any other Iberian ones, which are very common. Do you know of any other?