You can now show labels on markers and polylines/gons (version >= 2.12n):

• kmlpolylabel - opacity in percetage for polylines/gons
• kmlpolylabelclass - The class for the labels to set the style of font, size, colour etc.
• kmlmarkerlabel - opacity in percetage for icons
• kmlmarkerlabelclass - The class for the labels to set the style of font, size, colour etc.

{mosmap kml='http://tech.reumer.net/images/BrisbanePZ.kml'|kmlrenderer='geoxml'|
kmlpolylabel='75'|kmlpolylabelclass='contentheading'}

{mosmap kml='http://tech.reumer.net/images/allservices.kml'|kmlrenderer='geoxml'|
kmlmarkerlabel='75'|kmlmarkerlabelclass='kmllabel'}

Defined style kmllabel:

.kmllabel {
padding: 10px;
font-size: 100%;
font-weight: bold;
color:#277BC0;
width: 200px;
text-align:left;
}