These icons look like standard GNOME's icons... (to me, of course :) )

Wikimedia offers nice icons:

A camcorder icon would be nice.

Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT
is a gathering of tech-side developers & brand creativity professionals. Meet
the minds behind Google Creative Lab, Visual Complexity, Processing, &
iPhoneDevCamp asthey present alongside digital heavyweights like Barbarian
Group, R/GA, & Big Spaceship.
Kdenlive-devel mailing list