<div id="navcontainer">
<ul id="navlist">
<li id="active"><a href="#" id="current">Item one</a></li>
<li><a href="#">Item two</a></li>
<li><a href="#">Item three</a></li>
<li><a href="#">Item four</a></li>
<li><a href="#">Item five</a></li>
</ul>
</div>

CSS
#navlist
{
margin-left: 0;
padding-left: 0;
list-style: none;
}

#navlist li
{
padding-left: 10px;
background-image: url(images/arrow.gif);
background-repeat: no-repeat;
background-position: 0 .5em;
}

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Using CSS background images for bullets

css, list, images

CSS