Minor Oil leak under oil pan belly - option?

[pixologics]

Everyone, I have minor oil leak under the belly bottom end of oil pan. The valve cover and rear main seal are all good.
Does it have to go through a gasket replacement or do you think an oil change swap could help fix the leak?
I am not sure about the viscosity or the grade of previous oil change which I believe was done a month back.

 

[Hopper]

I have heard a high milage oil non synthetic could help