Skip the daily salt water flush. If you are feeling especially toxic, you might want to do one, but many people have had sucessful MCs without the SWF.
The cayenne is said to help cut mucus in the digestive system. Are you taking it in the drink or in capsules? If you are putting it directly in the drink, the try it in capsules. If you are taking it in capsules, then open them up and remove some of the pepper. Its better to use a little less than to make yourself sick with it, however try to use it if you can.