If you want to receive royalties from performances of your songs, you'll have to bite the bullet and cough up to the PRS, but if you just want the songs to be acknowledged as yours, you'll need to be able to demonstrate that you wrote it. "Registering" it by issuing a recording sounds like a good way, provided they get circulated; otherwise you'll just ahve to tell lots of people "I wrote this".

BTW, Julie, bear in mind that when the broadside of P&P" comes out, the copyright on the design will be mine!

Steve