Features:
- Add config display in Google Sitemap Feed.
- Easy install and use.
- Language: English.
- Override files:
+ admin > controller > feed > google_sitemap.php
+ admin > language > english > feed > google_sitemap.php
+ admin > view > template > feed > google_sitemap.tpl

Demo:
- Website: http://flowers.toandd.net
- username: gsitemap (only access Extensions > Product Feeds > Google Sitemap)
- password: gsitemap@2014

Note:
- Only $12.00 when you buy at my store (http://store.toandd.net/google-sitemap-feed-setting)
- Contact me at: tano8753@gmail.com.
- I can write custom module, extension for opencart.