I was following the hoto here

but output is zero for me... after doing so, my network got jammed. seems kinda DoS. Now I need the follwoing::
What I have::::

Target host: Windows Server 2003 or Windows XP/Vista;

My laptop: WinXP
BT5 in Vmware in my laptop with bridged mode IF (eth1, eth2); and 101/24

Now I want to sniff and see what the is sending/receiving. Including pictures, passwords, etc. from my laptop using bt5.

please help me guys... I'm planning to write my name in ethical hacker...