You can create your own Google Icon for your locator mapping.  The standard Google icon is approximately 20px wide by 34 pixels high in the .png format and should have a transparent background.  You can experiment with your icon size, shape and color as desired. 

Once you have created your icon, go to Setup Options >> Google Map Icons >> All Icons >> Add Icon to install it in your icon library as follows:

• Click the "Browse" button to locate and select the image on your local computer.
• Enter the image size in width and height.
• Enter the Icon Anchor X coordinate or leave default setting. (This value increases to the right in the Google Maps coordinate system.)
• Enter the Icon Anchor Y coordinate or leave default setting. (This value increases downwards in the Google Maps coordinate system.)
• Enter the Info Window Anchor X coordinate or leave default setting.
• Enter the Info Window Anchor Y coordinate or leave default setting.
• For an optional shadow image, click the "Browse" button to locate and select the shadow image on your local computer.
• Enter the coordinates as desired.
• Click the "Save" button.
• Return to "Setup Options", navigate to "Google Map Icons" and click the gray button to select your new image.
• Scroll to the bottom of "Setup Options" and click "Save".

You new icon should now be enabled.