See top of the page, "Posting Photos using . . . ."
old ref::http://nawcc-mb.infopop.cc/eve/forums/a/tpc/f/4166015461/m/4191061982
If you're not using flickr, the procedure will be similar but not identical - choose a foto. Select a size. Save. Drop here.
I'm certain you know but just in case; Your pix MUST be hosted by a WEBSITE. You cannot paste pix from your personal files, directly here.