Mercury Cougar Tank Leak

I Recently Replaced My Fuel Pump In My Car. I Smelled Gas And Pulled A P0442 Code. After Filling It Up, I Found The Tank Leaked At The Fuel...

So When I Try To Put Gas In, It Just Seems To Leak It Does Not Seem Like It Is From The Fuel Line But Rather Just Dripping From A Spot I...

I Was Smelling Oil From My Car And Stopped To Put A Container Of "stop Oil Leak" Into My Car. I Think I Made A Big Mistake. I Put It In...