Welcome to the site. Regarding the signature, new members aren't permitted to advertise, because we as a community do not desire people coming here to drop off a link and split. We want people to be a part of our community.
We deal with a lot of spam in a day, and from time to time an honest member gets a slap on the wrist; it could be that it wasn't clear whose work you were promoting, or whether or not you were here for that intent alone. If you stick around and make an effort to settle down, there won't be a problem with sharing again.
In the meantime, tell us about your favourite artists?
EDIT: Post counts don't freeze, it's just that posts only qualify towards them in certain forums.
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