/Thierry Legault/ is a French amateur astronomy who is well-known for his incredible astronomical photos. Hr has posted a great photo of the ISS in front of the sun during the recent Endeavor visit: http://legault.club.fr/iss_endeavour_transit.html
He also grabbed an image of Atlantis + HST in front of the sun: http://legault.club.fr/atlantis_hst_transit.html. In this posting, he also describes his technique with photos he made during a recent Florida visit along with answers to some FAQ.
Enjoy! -- 73, Tom