To make a airplane cake look more like a real plane, I wanted it to be silver. What can you use the luster dust on? Do you brush it on fondant or something else? Sounds like a stupid question, I know, but I am definately still learning techniques of all kinds.............Can you use it directly on buttercream? I am going to order some but I dont have a clue what to use it on, lol.
Help!!
Chanel
First of all...ther are NO stupid questions. NO ONE knows everything!
I've used luster dust on both buttercream and fondant. I use IMBC and make sure that the cake has been refrigerated until the IMBC is totally firm. That means that depending how long it's taking me to paint the cake, I may hve to put if back in the refrigerator to re-firm the icing.
I've never used it on a crusting BC, so I'm no help there!
IMO, it's easiest to paint onto fondant.
Hope that helps!
Sharon
I would recommend using it on fondant if you want your plane silver, this works really well and really does look realistic. Just cover your plane cake with the fondant, then paint it using a mix of luster dust with either vodka or lemon juice. Good luck!
I've used silver luster dust on crusting buttercream. You have to be sure it is crusted over very well and paint it on (mixed with vodka) with very light strokes so as to not break the crust on the icing.
You can also run it through an airbrush if you have one of those.
I have to agree with Sharon...definately easiest on fondant!!!
-Michelle
start with grey fondant or grey buttercream. use super pearl dust or silver dust to either sprinkle, or spray over the surface, and you will have a silver, chrome like finish. you can also paint it on, but there are cons to that...1) you'll use more dust (you need to mix it with extract or alcohol 1 part dust to 3 parts extract) 2) it is difficult to paint large surfaces of crusted icings with out smudging it and having it look gloppy. 3) even painting a large surface of fondant, it will likely look blotchy.
so in my experience, spraying, dry dusting or sprinking it on over a GREY base has always worked best.
then paint it using a mix of with either vodka or lemon juice.
i have heard this frequently on cc- but to my understanding- luster dust should not be mixed with water based liquids. it would make more sense to use lemon extract since it is oil based.
then again, i have never tried the lemon juice.. ...?....
With water-based liquids, you just have to stir frequently, because luster dust isn't water soluble. Even lemon extract, while it has a small amount of lemon oil, isn't truly oil-based. It is mostly water/alcohol-based.
I don't think it is that luster dust shouldn't be mixed with water based liquids, but that the dust doesn't stay mixed for long.
I could be wrong in my understanding, though.
RedPanda
Thanks so much for all the ideas!!!! You guys are great. I have an airbrush gun, but I have not worked up the courage to use it yet!!! I havent even played with it. I took it out of the box, looked at it, and then put it away! 
I'll just put my $25 in here -- I am the QUEEN of drydusting lustre dust. I LOVE the stuff!! 
I drydust my buttercream roses and paint it on fondant. I happen to like painting with confectioners glaze over lemon extract, but that's a personal preference. If you go to my pix, the chocolate heart cake and the monogrammed cake are drydusted on buttercream with the exception of the monogram, which is gilded with confectioners glaze on dried colorflow letters. Hope that helps some!! 
Well, get that sprayer out...as soon as you start using it you won't want to stop....I GUARANTEE!!!!
Where are ya in GA, btw. I have relatives in Smyrna!!!
Just make sure that if you are running it through your sprayer, you thin it out with a lot more vodka than the normal recipe. You may have to make several passes to get the color you want, but the alcohol evaporates quickly. You are also less likely to clog your sprayer. Make sure you clean it out REALLY well with windex (followed by tons of hot water) or the cleaner specially made for airbrushes.
melysa, you are right!! Sorry, I meant paint it on with lemon EXTRACT not juice (pregnant brain ). It is best used with extract or vodka because it helps the "paint" dry much faster therefore your surface does not become gummy if you use water or the like.
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