Design and Installation of Graphic for Website

I need a graphic designed that will need to be installed in the upper left hand of my sidebar on my website.? I believe I am looking for a professional looking mailbox graphic that is large enough to be noticeable, in colors related to the header of my site, with text that reads, "Need Advice?"? Graphic can be kind of fun looking as long as it's cohesive with my site. It needs to be clickable to the "Advice" tab that is on the top of my page. Website is [login to view URL] Platform is Wordpress 2.7 Time is of the essence.