Karen, I haven’t tried it either but I do have these tutorials:
http://www.craftsy.com/class/the-hand-painted-cake/180?ct=sbqii-sqjuweho-dum&ctp=2&rceId=1429906014682~biqsgin1
https://www.youtube.com/watch?v=I7qatLxwyaY
https://www.youtube.com/watch?v=gN6MlStBL1k
