Just wanted to pass on, if you guys have the $$ in your modeling budget, I think these two books are the best F-4 walkaround books to date. The photos cover every detail, from the tip of the radome to the fuel dump at the tail. These are the kind of reference photos that we love to have as modelers.
The Modern F-4 Guide covers USAF versions, and includes coverage of the German AF F-4F, Hellenic F-4E birds, & the current USAF QF-4 drones:
Uncovering the F-4 covers the B/N/J/S used by the USN/USMC:
Its one thing to have a bunch of pics saved on your hard drive, but a high quality book, opened to photos of the specific area you are working on right this minute, can't be beat.