Simple things you can do!
<br /> or <br> adds a space in between whatever you want.
<b> </b> bolds text.
<i> </i> italicizes text.
<center> </center> centers text.
<a href=”http://www.cats.com”>cats</a> add a link. ex: cats
<marquee> </marquee> scrolling or moving text.
<font color=”#41d2f8”>cats</font> change the color of a word, phrase, etc.
Go to http://www.freehostedscripts.net/ to insert text in your description that says how many people are currently viewing your blog and/or how many views your blog has gotten. Or, you can use http://www.supercounters.com/.
If you’re looking for cool symbols to put in your description, go to http://fsymbols.com/all/.