DOCBOOK-APPS: Jade, WMF & RTF - a bad combination?

Hi all.

We have several documents into which we would like to insert some pictures
in WMF-format. However, when we use jade to generate RTF, the pictures are
omitted! If we use GIF, e.g., there are no problems, except that they look
ugly, beeing scaled by Word.

Is this a known problem? If so, is there a known work-around (except for
reading and modifying the source ;-)?

Best regards

    Rune Enggaard