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I am trying to do something but i just cant figure it out and i was wondering if someone can point me to some resources or give me some directions.

Here is what i would like to know:

1) Is there any way to make a kind of an author bioBox on the CMS article page and on the blogs?

Something like:

<div class="underArticle">
<div>author_avatar</div> <!-- display author avatar -->
<div>about_author</div>  <!-- display author Bio (from profile) -->
<div>author_signature</div> <!-- display author signature -->
</div>

2) How to add some <div>Posting Rules</div> on the /blog_post.php page, and on the /addcontent and /edit pages in CMS? Does anyone know which templates are being used by the Post/Edit page in blogs and CMS?