I love the advice here!!! I agree, be free flowing with them! I use the inks to distress the edges of my paper, I use them all the time. But there are some GREAT techniques to do with the inks!
My favorite is to smear the ink pad on my craft mat (has to be a smooth slick mat) and then I spray with a mister with water and drag my tag or paper through it. Very fun!!! After it dries (you can speedy up drying with a hair dryer or heat gun), it is VERY pretty effect!!! Blend colors together by smearing mulitple ink pads on your craft mat and then mist your water on. (be careful to keep light inks out of dark inks!!!)