Drawing infinite scrolling translucent clouds

gistfile1.cs

 spriteBatch.Begin(SpriteSortMode.Deferred, BlendState.NonPremultiplied, SamplerState.LinearWrap, null, null);


            spriteBatch.Draw(clouds,
                new Rectangle(0, 0, graphics.GraphicsDevice.Viewport.Width,
                    graphics.GraphicsDevice.Viewport.Height),
                 new Rectangle((int)cloudPos.X, (int)cloudPos.Y, 300,300),
                Color.White);
            spriteBatch.End();