When writing a post you can insert images. If you have uploaded an image you can insert this in multiple ways (as a thumbnail for instance). However at the moment unfortunetely the option to insert this image “linked to pop-up” (so that when you hoover over the image the orginal pops up) does not work.

We are fixing this as we speak and will publish it here when it works again. Sorry for the inconvience in the meantime. For your information, in Firefox this all (and more ) works perfectly.