Report Saved Searches in Chart Gadgets

Hi all,

I have created a series of Reports, all of which have Saved Searches to allow the data to be viewed on the basis of current Month, Quarter and Year. I would like to use these Saved Searches in Chart gadgets on Dashboards so as to create corresponding Dashboards showing key metrics for Month, Quarter and Year.

For example - for Leads I want to create a Leads Monthly dashboard running chart gadgets based on Reports, using their Month saved search.

I can't seem to see the Saved Searches in the Gadget source data. What am I doing wrong?