Nice to see a great carp conversation! Lots of good links and info here, I don't have much to add other than carp feed pretty much throughout the day and night. They can turn virtually anything in the water into calories. Basically, they are such efficient eaters that you never know what, when or how they will be feeding. As mentioned, tailers are the best targets, followed closely by the slow cruisers.
Good luck, I hope you get into some fish...but word of warning...it can be addictive. I used to be a respectable trout/salmon/steelhead fly angler...
John Montana
http://carponthefly.blogspot.com/