Okay, I am a good cake decorator, I think. haha But for some reason, I am having trouble figuring out how to get this effect on my cake. Can somebody look at the camouflage on the cake in this link and tell me how to do this camo with buttercream? I know the tank is a FBCT, but how do I do the camo like that with buttercream? http://cakecentral.com/modules.php?name=gallery&file=displayimage&pid=1702262

it looks to me like they may have added extra cs to make the bc thick enough to manipulate and shape a bit and then pieced it like a puzzle. You know think like sugarshack does her dams and rolls the bc for that....

I remember a thread on this before. If I remember correctly, they piped the individual colours in the shapes and then took a roller to it to smooth it, Melvira style...

http://cakecentral.com/articles/126/quick-easy-smooth-icing-using-a-roller-melvira-method

You can pipe on filled-in shapes, then after it crusts smooth it with the Viva method. I did it that way for hibiscus and leaves (pic is in my gallery).

Here is a tutorial that jammjenks posted. Hope this helps. I love the look of the buttercream camo cakes!

http://cakecentral.com/cake-decorating-ftopict-659223-camo.html

that looks like a cool way to achieve the camo.....

For my camo cake I just piped the shapes and then smoothed with Viva...looks very similar to the one in the link you posted.