Former Bond Girls Make a Re-Appearance
When Valentino & Bond go into the building with all the engineer people, look out for the girly pictures on the wall. They are mostly former bond girls.
Original James Bond Writer Gets a Mention
In the scene where bond is running along the docks with the helicopter chasing him, he stops and makes his car shoot the helicopter by remote control. On one of the crates behind him, you can make out the name "IAN FLEMING", the creator of the James Bond character.