Sorry, I broke the menu/toolbar buttons for writing images in Jmol
11.6.RC15. The workaround is to open the console and type
write image ?.jpg
This will open up the dialog box.
Robert M. Hanson
Professor of Chemistry
St. Olaf College
If nature does not answer first what we want,
it is better to take what answer we get.
-- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900