Hey Basser, a few weeks ago I posted something like that. I use a drip pan under my butts. When I remove the meat from the smoker, I pour the drippings into a container and let them sit for a bit till the fat comes to the top. I use a ladel to remove the fat leaving just the drippings behind. I then add an equal amount of apple juice (ie. if there's 4 oz. of drippings, I use 4 oz. of juice) to the drippings and pour it over the pork when I pull it. I end up with very moist and very tasty pork.
If that's not what you were looking for, then... nevermind. :-p