If you want to change default icon (1), which is automaticly added, to custom icon, go to Marker Icon at the bottom and click on Add New Marker Icon button (2).
Icon settings
If you have some images in Media Library and you want to use one of them go to Media Library (1), then select your image (2). You can resize your image by clicking Edit Image (3). After that click Add to gallery (4). Notice: You can select more than one image at once.
Select images from Media Library
You can also upload icon image directly from your computer via Upload Files tab.
We recommend to use maximum 60x60px images for icons, without background.