Submit all sitemaps to Google manually?

Hi
I have installed the sitemap generator and everything seems to be OK, but unfortunately Googlebot downloads only the sitemap-index file every time but no other sitemaps at all. Should I submit all sitemaps maually to my Google sitemaps account?

Code:

No     Date     Sitemap File     Bot     IP     User-agent     Action
1     2006-01-24 03:07     sitemap_index.xml.gz     Googlebot     66.249.72.238     Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
2     03:18     sitemap_index.xml.gz     Googlebot     66.249.72.238     Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
3     2006-01-26 02:23     sitemap_index.xml.gz     Googlebot     66.249.72.238     Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
4     2006-01-27 04:39     sitemap.txt.gz     Yahoo     68.142.249.134     Mozilla/5.0 (compatible; Yahoo! Slurp; http://help.yahoo.com/help/us/ysearch/slurp)
5     2006-01-29 02:26     sitemap_index.xml.gz     Googlebot     66.249.72.238     Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)      Remove record

Hi,

yes, it is a good idea to manually submit all sitemap files to google webmaster account. That will help you to get them downloaded faster.