You can customize the categories. You can set image for each category and can also change the map marker of a category.
For category settings just go to Dashboard > Directory Pro > Settings > Category Image/Marker
You can set category image for each category. To set a category image just click on SET IMAGE and uplaod the image.
You can change the map marker image for each category. To set a category image just click on CHANGE IMAGE and uplaod the image. This will be shown as the marker on the map for that category.
You can add/create new category from here. To create a new category just click on CREATE NEW CATEGORY. You can also edit the existing category from here.