Cream On A Flatbed Lorry: Photos taken of Cream playing live on the back of a lorry have been around since 1968, when it took place. But they were stills, and I wasn't aware that they were part of a promo film. But here it is -
http://www.youtube.com/watch?v=3U0_DthFbOU&feature=related
with a couple of great songs overdubbed.
And it looks as if it was filmed for a Danish pop TV show.
Lots of hippies appear to have been brought in as extras, and the tots must be in their early 40's by now.
Those were the days, or daze, as some might say.