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[Stroggy]

Well, let's look at the rules.
Under the heading "Forum Conduct" section 5(d) it is not allowed to advertise in the main forum, doing so would be considered spamming.
Under the sections "Private Messaging" and "signatures" these same rules apply to PMs and signatures.

It would thus be considered spam on the main forum, PMs and signatures.

If I were you I'd wait and build up a bit of a reputation (as in, help the site in any way you can or just participate in the forum). The administration is unlikely to allow any new member to spread his site around, in whatever form.