Smoke ... on the circuit

[SmartWombat]

1,2 new surface at Barcelona catches out Schumi and Pizzonia, this was the February test after they'd "fixed" the oily surface.
3 an engine blows for Anthony Davidson in Valencia, he seems to be unhappy.
As usual, the action was too far away, and hte leftover smoke and the heat haze doesn't make it a good image.
4 Narain Karthikeyan lights up the rears after a practice pitstop in Barcelona.