You can also get the directions from the FAQ page http://www.flyertalk.com/forum/faq.html .

The first few times I tried, I failed to get the pretty color ones available. The reason is that I used the old emoticons that I have been using for years ... one with noses.

Unfortunately, Infopop emoticons don't have noses. I guess that is to prevent them from smelling ... but they are colorful!