To change the notification bar to the old windows mobile style:
Open a registry editor and navigate to:
Change the value from 0 to 4
You will need to reboot the phone after changing this setting in the registry.
In regards to the custom cities for the weather: select the weather tab, click "Menu", select "Add Location", type in the name of the city and select it from the list.
I am using a ROM with Manila 2.5 and the settings above apply to it, yours may be a little different if you have a different version of Manila
Primary Line: HTC Amaze (Energy ICS ROM)
Secondary Line: Samsung Galaxy Tab 10.1 (Stock)
Work Line: HTC Inspire 4G (Stock)