The following BBCode:
1. Including an image
[img]https://www.bbcode.org/images/lubeck_small.jpg[/img]
2. Resizing the image
[img=100x50]https://www.bbcode.org/images/lubeck_small.jpg[/img]
3. Making the image clickable (in this case linking to the original image)
[url=https://www.bbcode.org/images/lubeck.jpg][img]https://www.bbcode.org/images/lubeck_small.jpg[/img][/url]
4. Resizing and adding meta information for the image
[img width="100" height="50" alt="Lubeck city gate" title="This is one of the medieval city gates of Lubeck"]https://www.bbcode.org/images/lubeck_small.jpg[/img]
