I did that already when I created my entry for the contest :)
You can check it out here : https://steemit.com/bottleartchallenge/@becometheartist/contest-2-bottle-art-challenge-cinderella-or-or-handmade-idea-by-becometheartist
Full tutorial will come soon with all the details. Normally first part tomorrow. I started working on it but it's not yet ready.
That's really cool. Looking forward to the tutorial