Allow user to change style of the gallery attached to a post (or for all posts by default).
Possible alternative styles:
- Squares of equal size. The thumbnail may fill its square or fit into it.
- Carousel, like in Instagram.
- All thumbnails In one horizontal line, shown as columns with a gap between them. Columns may be shifted up-down-up-down.
Allow user to change style of the gallery attached to a post (or for all posts by default).
Possible alternative styles: