http://wrylilt.hubpages.com/hub/Ways-to-induce-Labour-Naturally (but I do not recommend castor oil for anyone.)
Oh I would never try that... I don't even think I could stomach it lol.
Don't try castor oil, it's VERY dangerous for you AND the baby.
Sex, orgasms, primrose oil, castor oil. Bounceing on an excercise ball. walking, and swimming. goodluck