Got a little spot of rust....
 

on the inside of the engine bay. what should/can i do about it?

Anyone? any suggestions at all?

Where at in there?

If you're like me and the appearance of the bay isn't a big concern, I'd sand it down, clean it, then prime it. Then maybe spray some "matching" paint on it, then clear. It may not match perfectly but it would take care of the rust.

its right on the metal right behind the headlight, i believe its the radiator support

Use one of the rust removers available at auto stores, sand it, prime it, paint. At a minimum sand it to remove the rust before it eats away more then what it already has.

Simple quick fix and will be fine. sand it till the metal is clean and use some rust preventative primer. If you want to go nuts with it get a pint of por-15 or something similar and top coat it.

^ what he said

simple fix just do as others have said.