Visual Report - Cash Flow Activity by Activity

Hi.

Can someone tell me how i can do thist:

I wanna custome a visual report (cash flow of other), where i can get more columns (each column by activity)....i looking for get not only the total week to week by the project, else i wanna get the total week to week by activity.

I need that why i need to calculate the percent week to week by activity...with the cash flow report, i only get this value but only 4 the project, then i get the value of the week and divide it by the total of the project and get the representative percent of that week, well i wanna do the same by activity by activity.

I hope that i was clear with my words....can someone help me in that?..

THANKS TO EVERYONE.