Did a cathedral wedding yesterday and got some nice shots but with a distinct yellow cast on most of them. Just wondered what the most effective way of taking out the cast is in photoshop . I have attached an example without any work on it. I dont want to lose the atmosphere but the bouquet had white and purple flowers in it so it does need work. Any suggestions appreciated

here is my attempt at removing the color cast with PS CS2 using the black and white droppers in "Curves":

