Each category can have own marker icon to visualize them differently on the map. Using WP google map plugin you can choose between a number of available marker icons or upload your own. You can change the marker category icons from url , media library and pre defined icons by plugin.
Step 1 Go to Add Marker Category from WP Google Map Plugin and click choose button.
A popup will display , In their you can add marker icon from From Computer tab , From URl tab and from Media Library.
From Computer :
Step 2 Select any image from computer then it will be display in ‘Media library ’.
Step 3 Go to Media Library tab and click show link from right side which marker or image you want to display.
Step 3 After open, you can edit image size.Click on Edit image then click to insert into post on the below of the same popup.
Step 4 Then click Save Marker Category.
You will see your selected custom marker display in your map.
From URL :
Step 1 Copy Image Url from any site and paste in Url tab.
Step 2 Then click insert into post on the below of the same popup.You will see your selected custom marker display in your map.
Media Library :
All computer selected markers display in media library. You can select them click on show link and then click to insert into post.
Choose Icons :
You can select icons from Pre defined icons in choose icon tab.