There is plenty of footage of Dave on YouTube, the following are links to some of them. Enjoy!
The Ian Campbell Folk Group at the Jug of Punch
Dave Swarbrick & Simon Nicol
Richard Thompson & Dave Swarbrick: Sloth.
Dave Swarbrick & Martin Carthy – Sovay
Martin Carthy with Dave Swarbrick – Byker Hill
Martin Carthy, Dave Swarbrick – I haven’t told her
Swarbrick, Thompson & Pegg : Sir Charles Coote / Smiths