already signed up there,thanks guys for all the tips,haven't put it down all weekend(new toy,lol)i already knew alittle of the basics .Just applying them to aquatic photography is a little different,because of reflection,glass,water,fish movement etc.Keep the tips coming they are greatly appreciated.I have to get another flash or a sync cord so i can move the flash over head,the flash i have is note remote.I was looking at aquatic photography the article on using slaves was quite interesting.thinking of trying that when i get time to go find what i need.