paladin powers
There aren't to many powers in the paladin class that allow you to use two weapons. That means you'll have to spend a significant amount of feats multiclassing to ranger to get two attacks.
very tough
Your party was in for quite a fight. Dragons, as in 3.5, are on the tough end of their level, and it looks like you had a couple of inexperienced players. That said, the dragon itself probably could have killed one of the party by itself. Combining an elite controller really...
We played with 6 characters and our dm reduced hp's for creatures that weren't main fights, and we still got our butts whooped. This adventure is especially dangerous if you fail one or more of the skill challenges. With four characters going in, you'll have to be very careful to back off on...
Ancient Cultures
Most priests and commoners in ancient times did not devote themselves purely to one god. If they needed rain, they prayed to the rain god. If they wanted a child, to the god of fertility. If they wanted revenge, to the god of war. Nothing wrong with worshipping multiple...