On the Neoboards and on Guild Messageboards there are several smileys you can use, they vary from smileys that show emotions, to Pets and PetPets.
On Neopets there is also a list of the smileys, but they haven't added all of the smileys you can use on it. Thats why we've made this list, it contains all possible smileys you can use, including the secret ones.
If you want to use one of the smileys, use the code exactly as shown below, the smileys don't work if you use capitals or spaces in them.
These smileys are unreleased: