A while back I stumbled on a way to "Mark down" html/css formatting inside a Squiffy link.

You can do the same thing with images!

@set small = width="100" height="100"

![{small}](https://live.staticflickr.com/1580/24896523165_4ec5c8f49d_b.jpg)

I got the above image with "Creative Commons licenses" required in my search, and also double checked the permissions granted by the artist.