Habe das Problem gelöst.
#gallery #slides div ul li a .eins img {display:block; width:100px; height:100px; border:2px solid #fff;}
#gallery #slides div ul li a .eins img:hover {border:2px solid #C62021;}
#gallery #slides div ul li a .eins span {color: #000; text-decoration: none; }
#gallery #slides div ul li a .eins span:hover {color: #C62021;}
.unten {position: absolute;padding-top:230px;font-size:14px;}
<div id="gallery">
<div id="slides">
<div id="slide1">
<ul class="eins">
<li><a href="#pic1" class="eins"><span class="unten">text 1</span><img src="bilder/01_06_01_th.jpg" alt="o. T., 2006" title="o. T., 2006" /></a></li>
Vielen Dank für die Hilfe.