Make sure the IP address of the camera is correct. If I can remember clearly it should be like 10.te.am.11 (I would double check if I were you)
As for auto aiming, that's pretty tricky to perfect. You have to first find the goal, which you do by putting a ring of LEDs around the camera, then looking for that color in the NI vision assistant. Its more complex, but also pretty straightforward.
Look at
this page
It is straight from first and wpilib
The basic steps after you find the target is to find the distance then program your robot to move that distance (normally with a PID)
You also want to do all your processing on the dashboard. It is much faster than the crio and processing images. Also get a good laptop, that also helps a lot too