That looks like you have taken a pic of the passenger side corner of where the bellhousing is bolted up to the block plate. If so, that is
the most common point for oil dribbles on an FE. The reason has to do with how FE heads/Intake Manifolds/Blocks mate up. If the next day, after a sporty drive, you have less than a fifty cent sized puddle of
oil on the floor then you should just learn to live with it and love it. Anything more than that and you can spend a little time sealing up the offending spots with RTV.