This is the sample button I made for Lavender Designs:
The code is:
<a href="http://sunlitblogdesign.blogspot.com/p/explanation.html"><img src="http://2.bp.blogspot.com/-aMzqSZBgq0k/TfKNA4cIf-I/AAAAAAAAAhk/rAhdiPYGBwY/s1600/lavenderbutton.jpg" width="180" height="153" />