The Exercise format is designed to be as flexible and customizable as possible, so there are a ton of different things you can do.

The Setup Instructions and Drill Instructions fields accept HTML tags and inline CSS styling, so if you are familiar with either of those, you can do a number of cool things. The editor that we are currently using gets the job done, but is a little goofy from time-to-time. You can format text to make important information bigger, or even add images (such as a stage diagram) to these descriptions. 

If you are trying to add an image, the built-in image-adding-thing doesn't always work right, so you will want to click the <> in the top right to look at the HTML code-behind. You can then add <img src="[URL to your image]"> in the code where you want it to be. The image does need to be hosted elsewhere on the web.

This is just one example of the flexibility of the Exercise format. A lot of creativeness can also come from your setups, such as using target down mode to limit the number of rounds on each target, and having extra hits say something like "Procedural. Start the drill again" (using the Custom Sounds plugin).