It is a good sign to dream of running. To run naked, denotes infidelity in marriage; to run after an enemy, victory; to see many people running, signifies quarrels.
Dream dictionary: naked chicks pictures dream meanings
To dream about shower curtain is the symbolism of your desire to hide away from the world. If you dream that you have a shower without curtains and you are seen being naked, it means that some part of your life or thoughts is known for the others, but you havent been ready for that yet. If you dream that someone walks in while you showering, you will be exposed accidently for something you have done, or your secrets will be revealed.