to the first line of the paragraph. add multiple instances without spaces for greater indentation.this tip comes from here.
this blogger's original tip
talked about adding a style script to the template but i didn't want to risk breaking my template testing it. be sure to back up your template before you test it.
another tip comes from here. again, i haven't tested this one either.
more tips
http://theedifier.com/blogging-blogger/formatting-the-post-fine-tuning-html.php
http://tips.blogdoctor.me/2007/10/format-text-in-blogger-posts.html
http://www.divitodesign.com/2008/10/paragraph-typography-guide/
http://www.ehow.com/how_2382848_hanging-indent-css.html
and there's also blogger help
http://help.blogger.com/bin/topic.py?topic=12457
