2.9l fuel leak

need to see how vacuum lines are hooked up. i have a 1991 4x4 2.9L that turns over but wont start. :icon_confused:

I replaced my valve covers gaskets and ever sense I have had a gas leak. there is some kind of Pump on the top of the driver side valve cover, thats where the gas is leaking from, I am not sure what the part is called and how to make sure i have the gasket ( rubber round one) on correct. If...