Yes, look at
http://firstforge.wpi.edu/sf/go/page1035 for some screenshots.
you can send whatever you want, and represent it how you want. One of the better ones I remember testing is the transform options. I had a scale (image control), and a tick mark (also image control). The tick was transformed by the values sent from the robot, making a cool slider value sort of thing. The ZomB interface looks deceptively simple sometimes, but has immense power if you know what you are doing... (Look at the video on the Firstforge landing page)
Our team's dashboard last year had little, but was very useful for lining up (we put an image overlay on the camera):
http://www.chiefdelphi.com/forums/sh...16&postcount=8