Here is another post inspired by a great mani on Pinterest. This is a shattered heart look created using crackle polish.
The (really helpful and inspiring!) tutorial by Kiss My Acetone is here: http://www.doridavis.com/kanye-wants-to-know-how-could-you-be-so-heartless/
And the original pin is here:
And my effort is here!:
I don't own any pink crackles so went for black (Models Own's Smash-Up) over 17's Sweet Kisses. I love this idea, a great inventive way to use crackles!