Hi guys, I am fairly new user of labview and a new member to  this forum and I apologies in advance for any irregularities. 
        Ok, here is what I have done. 
        I have successfully installed the IMAQUSB drivers and they  are working great with my Logitech webcam. Now I have created two separate vis  as a client and server to send the video input from the cam over LAN using UDP.  I first tested the two programs on a same PC sending the data to localhost and  its working great, the image is displayed and the indicator of bytes received is  going up    as it should.  
        And now the problem: 
            The problem happened when I placed the two programs on separate  pcs connected over LAN. On both pcs there is an identical set of software from  LabView with the drivers running on XP Pro SP2. The two vis  are working ok, the firs pc is sending the  image and the second should display the image, but it doesn't  . The indicator  for the bytes received on the second pc is going up indicating that the two vis  are communicating but there is no picture. Also the probe at the UDP data  output is indicating "image0" saying that the image is coming except the image  display is not showing anything.  
    After this I tried to broadcast the image over lan and again  the same thing, on the localhost there is an image and on the remote pc there  is no image, but the number of bytes received is going up. 
        If anyone has any idea about this problem or has an example  vi for transmitting webcam video over lan ill appreciate it 
    Thanks