Just attach the jpg to your topic. Click on "Attach image or document" a the bottom of the topic and follow instructions there. Be sure to select check box for "Create a link to the attached file at the end of the topic" to display the attachment in your topic. See FileAttachment for more information on attachments.
-- LynnwoodBrown - 13 Oct 2005
And see the example image I attached yesterday to ChrisCentrellaSandbox.
-- FranzJosefSilli - 14 Oct 2005