Dashboard designers and anyone who is mocking up business intelligence dashboards should avail themselves of the many free chart and graph icons that exist. Take a look at this screenshot and I think you’ll agree that these icons would work well for business intelligence applications.
You can download these icons and more at this link:
Use this as a jumping off point for your search for the right icons for your BI application.
Be sure to send us a screen shot of your app. We’d love to feature your design on http://executivedashboards.org