Different Ratings Icons Available Somewhere?

Is there a place to go for new ratings icons?

For example, I want to have a “Cost” rating, and I’d like to use dollar signs “$” to indicate how expensive it is.

Rather than making my own icons, is there a collection available somewhere?

And on a related topic, what is the significance of the setting DESIGN -> DETAIL -> ENABLE FONT AWESOME

How does that work, and how does it interact with the images I choose for my ratings icons?

Thanks
James Grove