Mike, wow! Thanks. I include the exif data for the simple reason that I don't know how to remove it. I've hardly looked at my portfolio since the PN "upgrade", to be honest I found it rather hard to actually find. Hopefully the thing has settled down now and people seem to be quite active in the Gallery area.
Anyway I was prompted by your post to revisit it and eventually worked out how to set up a new album with my name, and add some newer pictures to it. I'm confused though by the process of adding captions, tags and notes whereby it does not seem to be possible to add these to older images. Or indeed, to new ones - unless within the 15 minute editing limit?