Ignore previous message, in terms of finding a solution to my problem please. The behaviour is still strange but using dvipng instead of imagemagick gets me further (not all the way...).
I will stop annoying this list now. Sorry for the noise. thanks, eric -- : Eric S Fraga (0xFFFCF67D), Emacs 25.0.50.1, Org release_8.3beta-726-gd34b80.dirty