How do I make the staggered cake like the one in the photo? I am not sure how to make sure that it is secure. Any ideas? Thanks!!!

There's no picture. There's an issue with attaching pics. Maybe you can put a link to it?

The cake is actually a fellow cc. I have tried to pm them but I haven't gotten a reply yet. The link is

http://cakecentral.com/gallery/1179940