A UK Channel 4 documentary from a couple of months ago. The interviews by Justin Lee Collins make it essential viewing.
Find out why R2D2 and C3P0 hated each other.
See C3PO's infamous golden rod.
Why was Darth Vader kicked off set?
Meet the Chewie fan club...
Find the rest of it yourself ya lazy bastards...
It's all available on Youtube.
Yeah and Anthony Daniels does come across as a right "James Blunt!"