I have already done this for Terragen 0.9, although in a more user-friendly way than simply reading a list of files. See my website for the programs, which can also be used to render animations accross networks and do useful things like let your computer 'rest' every now and then or run a program when a render is finished. I have written a version of my software for T2TP, but it is still a beta as I have been unable to test it, due to the command line being broken.
I have no idea what VB has to do with the task of batch rendering.