i suposse i have selected all

I have read documentation, guide... very nice explation what makes all buttons.... needed a final note with.... how create your sitemap for dummis. all i need its that to beggin. :D

Hi. Installed ok. configured ok.
When i generated xml it says yahoo pinged, google pinged, but xml have 284bytes.

have this content:
<?xml version="1.0" encoding="UTF-8" ?>
<urlset xmlns:xsi="www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="www.sitemaps.org/schemas/sitemap/0.9 www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd" xmlns="www.sitemaps.org/schemas/sitemap/0.9" />

and gmail webmaster tools says there its no xml code. please need some help.