I see some nice progress over here! The USAF Museum has updated there site with more pictures, here's the one's about Bockcar.
"Bockscar" upon delivery to Wright-Patterson Air Force Base, Ohio, in 1961. The nose art was added sometime after the raid against Nagasaki.
"Bockscar" in storage at Davis-Monthan Air Force Base, Ariz., in 1959.
Aerial reconnaissance photo of Nagasaki, Japan, taken on Aug. 5, 1945. Military and industrial target areas are outlined and numbered
Boeing B-29 crew photo taken Aug. 11, 1945, two days after the Nagasaki mission. Note there is no nose art on the aircraft
"Bockscar" en route to Japan with the atomic bomb on board
"Bockcar" tail section, showing temporary markings replacing those of the 509th on Tinian to confuse the enemy.