It's not "porn" for they are fully clothes to our society's standards.
Who died and made you the Supreme Court?
Porn is in the eye of the beholder (no, not the monster, the other kind of beholder). If it makes LM users uncomfortable, and they feel it violates the Lucid Magic community's standards, Nathan should change the avatar and sig.
In the short term, Elessar, you can change your account to not show avatars or sigs.
-Throbblefoot