Since the release of version 14 of sitecatalyst, we cannot integrate the graphics schema with arrows in the page summary of dashboard.
But, in the release 13.5, it was possible.
Omniture client care respons was :
That functionality has been removed in v14 of SiteCatalyst.
There is currently no way for our dashboard program to process and handle a special configuration of graphics and tables as this report shows.
If you would like this to be considered for future versions, you are welcome to visit Help>Ideas Exchange to submit your ideas for review. Here you can also vote up other submissions that other clients have made.
We wish that omni re-integrate this functionnality for the future release.