Great mod! I just found a few little mistakes concerning the liveries: In your mod, Alesi has #11, but in real life he had #12.
And Trulli has #12 in your mod, which is correct for the first 12 races in 2001. From race 13 on, he used #11. That means two skins are missing: Trulli #11 and Trulli #11 NT. Also, his USA GP livery needs to be updated, as he used #11 there as well.