"As part of the Virtual Neighborhood Border Watch Program, the State of Texas has been testing video surveillance cameras in different environments along the 1240 miles of Texas/Mexico border using the internet to transmit the images. The last stage of the test is to stress the system by providing public access to numerous surveillance cameras.
"Thank you for helping test this important capability. To be part of the program you will need a user account..."
There are problems with the "virtual fence" approach, compared to an actual actual wall; the Border Patrol has to go get the people detected by the "virtual fence" and that means someone's going to get hurt, either the Border Patrol or the illegals. (Which will lead to screaming and crying from the ACLU, and the Bush family, but that's another story.) See Virtual border fence is morally backward By Terence Jeffrey Wednesday, April 5, 2006.
But this is a very cool idea for people who don't have the ability to join the Minutemen, but want to help—you don't need hiking boots or a rifle, just a fast connection and good video card.