The descriptions of your projects, scenarios and so on can be formatted using the Markdown syntax (see here for a full list of its possibilities)
You can display images in your descriptions:
In-lined: ![alt text]https://hiptest.com/logo.png ("Logo Title Text 1") Referenced: ![alt text][logo] [logo]: https://hiptest.com/logo.png "Logo Title Text 2"
Which will be rendered as: