Hi I have just brought the Nikkon D300s. With A AF s Nikkor 70-300mm 1:4-5:6 G VR SWM ED if lens. And a AF-S DX Nikkor 16-85mm f/3.5-5.6 G ED VR lens. And a SB 600 flash. I am new to digital cameras and was wondering what the best settings are for this camera any advice would be welcome.