I tried to do the 'dripping nail polish' on my nails the other day and I reckon they turned out pretty good for a first time go. All I did was applied model's own polish in 'snow white' as a base and then used a black nail polish by Gosh to create the dripping effect. The brush in the nail polish was quite small so it was ideal and not too tricky to use. It does take a little bit of practice but there is no set way of doing it so just try different methods out yourself.