how can i use the bulit in cam of my mac book, with msn or other applications?

Mac Messenger doesn't support webcam. You can use it over the iChat, Skype, aMSN (good MSN client for Mac).

Goodluck,

__________________
"the truth is out there"

hack1 = Mac OS X Snow Leopard 10.6.2 Build 10C531
hack2 = Mac OS X Server Snow Leopard 10.6.1 Build 10C504
iBook G3 DualUSB = Mac OS X Jaguar 10.2.8 Build 6R73
MacBook 403LL/A = Mac OS X Snow Leopard 10.6.2 Build 10C531
iPhone 3G = iPhone OS 3.1.2 Build 7D11 Baseband 05.11.07 Bootloader 05.09 [G2M3S2] ClaroBR 5.0

i'm glad someone asked this Q, i've been meaning to ask lol... cheers

__________________
I Do Not Condone Piracy, If You Like It BUY IT! - It's Ok To Test But Not Steal - MacBook Pro Owner

iPhone Owner 3G