My main flash for my Nikon N2000 is a Sunpak auto 433AF. Do any of you all have experience with it and can offer some advice for the settings? I've just been keeping it on Manual, A FULL, and ISO 200 (film grade), but I want to know what all the different settings actually do. Can anyone help with this? (while posting this I figured out my flash can switch angles side to side, I thought it was cool but I'm not sure of the usefulness of that) Also, can someone offer me advice on angling the flash up and down. I know angling it up is sometimes slightly better to reduce over exposing the image, but any advice you can give me would be great! Thanks!!