OpenStreetMap plugin

- – - Add a marker with popup text – - -

Add a Custom Field to your post page
Get the shortcode in the option page with your map area and zoom
Modify the shortcode and insert it into your post/page

[ osm_map lat="47.071" long="15.411" zoom="15" width="600" height="450" marker="47.069,15.41,OSM_marker_text" marker_name="styria_linux.png"]

Add a Custom Field to your post page, plain text or html:

custom field to add popup marker text

Get the shortcode in the option page with your map area and zoom.
Modify the shortcode and insert it into your post/page:

Insert the Custom Field Name: marker=”47.069,15.41,OSM_marker_text”
Choose your Marker Icon: marker_name=”styria_linux.png”