I'll check soon to be sure where it is, but it is definitely a video clip - one girl either runs into Nick or taps him on the shoulder, and he turn 3/4 around to see who it was.
As a matter of fact - it's on YouTube. The aspect ratio here is whack, but the one with the correct ratio is too fogged to see. The Nick in Japan section is between 1:42 and 1:50.
Jim, I remember that. Wasn't it a still photo? I seem to remember it on the front or back of an album, perhaps, or in some promotional material. Now that you mention it, it had to be taken on that tour of the Orient.
When Werber's stash of recordings was released after his death, I really expected those tapes to surface. Maybe they were found. Since Dave left soon afterwards, it's possible it was simply miles of raw tape that would take a tremendous amount of time, effort and money to make into something releasable. Who knows? After having heard the Santa Monica concert, I'll bet that Werber film would contain some unbelievable good and entertaining stuff.