Paint schemes?
Remember Virgin's "4 engines are better than fewer across the Atlantic" type slogans (yes I know they now have A330), or EZY's early 737s with phone number on the sides or RYR's goodbye to Airline XX......
Maybe an airline with some clout could market a "we say no to P2F" or "we pay for our Pilot's Line training so you won't have to" slogan on the sides of their shiny jets to get some media attention!
With regard to the experience v youth debate - we all had to start somewhere, but self selection via P2F is far worse than a low houred youngster selected on merit (eg: Armed Forces pilots). I'd be happier sending my family on a flight with a 22 yr old 500h ex RAF Tucano graduate as FO than the new (potentially no solo flying) MPL scheme cadet......