There isn't much that is newer. The plugins manual has some information:
[
afni.nimh.nih.gov]
There is also some information on driving the AFNI interactive interface from another program:
[
afni.nimh.nih.gov]
If you are interested in this latter topic, Ziad has some sample scripts to demonstrate what can be done. I don't know where those are stored (off the top of my head in the late afternoon before a Federal holiday).