a.lesen, 
.news-list-morelink a {
    background-image: url(../images/misc/sonstiges_lesen.gif);
}

a.sehen {
    background-image: url(../images/misc/sonstiges_sehen.gif);
}

a.pdf {
    background-image: url(../images/misc/sonstiges_pdf.gif);
}

a.download {
    background-image: url(../images/misc/sonstiges_download.gif);
}

a.hoeren, 
.news-list-listen a,
.news-single-listen a {
    background-image: url(../images/misc/sonstiges_hoeren.gif); 
}

a.galerie {
    background-image: url(../images/misc/sonstiges_galerie.gif); 
}