labrador road 26:
Seems to be some confusion here. The black/white newspaper strip I asked about is NOT the same as the widely obtainable color book, which have the art-work lifted from the film.
I don’t think anyone has said that they are the same - I just think that the film book and the newspaper strips are too similar for them to be treated as if one varies wildly from the other - they actually run frame for frame, image for image. The only major difference is the decor - the book uses the movie-backgrounds, the strip version used settings drawn in clear-line style, and not necessarily the same as the films.
If you look at the comparison images on the site you link to, the “Dépêchons-nous!” ones for example, everything from the ripples of the waves to the sweat-beads around Tintin’s head (which are a feature of the image on the page, and not present in the film) are exactly the same, as is the relationship between the position of the characters to the over-head pipe on the left.
To my eye, one is taken from the other (although I wouldn’t hazard a guess as to which one is the source), or they have both been created from some common source, perhaps itself made from an assemblage of movie material or storyboards, as Balthazar suggests above.