Viewing File: /usr/share/openlayers/theme/default/ie6-style.css

.olControlZoomPanel div {
    background-image: url(img/zoom-panel-NOALPHA.png);
}
.olControlPanPanel div {
    background-image: url(img/pan-panel-NOALPHA.png);
}
.olControlEditingToolbar {
    width: 200px;
}