I am familiar with using the
thumb option on pictures, to make them a particular size. I have a rather large picture (more than a 4K screen can show) which I would like to appear at a size that is scaled to the user's screen. I don't know any way to have it scale to their screen... if I simply say
[[File:Whatever.JPG]], it is HUGE (they only see a tiny portion). The only other option seems to be a
thumb, which makes it be some arbitrarily fixed size I have to specify.
How can I let an image fit the user's screen width? Surely there must be a way.
Thanks if you can help!