Yes, you can use the gold highlighter dust mixed with vodka to paint on white chocolate. In my pics I have a Marine Cake. The seal and the eagle are white wilton candy melts(which you can find at Hobby Lobby or Walmart)
I agree with the last two posters (stack three together and keep the top three separated and then stack on site). Just delivered a 4 tier stacked this weekend and it was all my husband and I could carry.
Try getting whatever liquid you are using in your recipe really hot. I either use S. Zambito's or Indydebi's recipe depending on if I have Hi-Ratio or not. I get my water or milk really hot and make sure my coffee creamer or Dream whip...
I don't use the pin that comes with it. I use the metal clips in the office supply section. Not paper clips, but the one you use when you have a large amount of papers you want to temporarily clip together.