At one point in the standard 7.1 video about Dashboards, when the person in the video clicked on the slide out filter bar and went to 'Demographics' the filter values had graphics/icons next to them.
So several questions:
How is this done? Through the view somehow?
Can the graphics be sources dynamically or are they hard coded. In my example the Filter value will be several IT services that someone will want to filter the dashboard on. If I can only have a static graphic I will take it.
In a perfect world I would love to have it source the graphic on load in real time so I could on the back end have the graphic in a Red/Yellow/Green state so the user when they see the filters will already know the state of the IT Service.
I know that Yellowfin will not be able to do this color coding so I am thinking I would write a script where I replace the source graphic with real time graphic.
Nice work on solving your issue. Here is relevant Wiki link for further information.
Org Ref Codes
Unfortunately there is no supporting documentation that covers what you are after,
optimal size/resolution of images. You will need to do a bit of experimenting
to see what renders the best.