Be yourself(unless you're an idiot).
Seriously, I went for two years after my divorce without dating anyone. Just about when I stopped looking and worrying about it, I met my wife.
The others said it too. Update your clothes and even the hair. Dude, you drive a Porsche. That HAS to attract a few chicks. Don't look desperate.
Ever seen the movie "Fast Times at Ridgemont High"?