Graphics Pack

StatusTO INSTALL
Linkhttps://appexchange.salesforce.com/listingDetail?listingId=a0N30000004cfIcEAI
PricingFREE
5 Users / Year$0
DescriptionEssential for adding fancy icons to records. A picture tells a thousand words.

Details

The Graphics Pack tab shows the images, and has some good examples to get you started with formulas to display the images on your records. 

The hardest thing to do is to choose the right images. 

See also Using Image Formula Fields.

Setup

https://appexchange.salesforce.com/servlet/servlet.FileDownload?file=00P30000007NED0EAO

Which say only grant access to all users and go to the graphics pack tab.