In the Dualtone theme, this block has been used to design the Error 404 page.

Different type of media may be embeded in WordPress like this video. You just have to insert the url.

When adding an image gallery, you may choose the number of columns of the gallery. And, for each image of the gallery, you may choose the styling options that all images have. In this gallery, for instance, the first two images have been chosen to be rounded.

The DualTone theme is a two column sidebar content layout, that’s why you can’t use wide and full alignments on posts or pages that use the default layout. On the other hand, you can make a picture expand by choosing the ‘expand on click’ option of the link toobar button.