I cant believe someone else finally noticed this. I spent ages trying to figure out the fmv picture of Rinoa on the beach looking back at Squall as the spider robot chases him which I saw in my authorised collection guide. And Zell was in his normal clothes also. Im very confident to say its from the original FFVIII demo. You had a party of Squall, zell and rinoa running through dollet during one of the earlier points in the game. That demo also had its own music which isnt on the soundtrack also.