PLZ are account's avatars (50x50 images) that you can use in your journals and comments even if you are not premium! ♥ To use it write:
:iconname-of-the-account-here:
Remember that there are another little icons by dA FAQ #53: https://www.deviantart.com/help/53 - How do I use Emoticons? Where are they?
EDIT 07-3-2013 ... In proccess:
At the #1 Issue you can find: smileys, bodies, lovely, nature, food, roll&move, icons, divider.
At the #2 Issue you can find: celebrities, photos, games, charactes, symbols, fun.
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SMILEYS
:iconn-nplz: :iconmeowfaceplz: :iconohjoyplz: :icontaiwan-plz: :iconheybbyplz:
:icondaawplz: :iconyooyayplz: :iconspiralsmil