Ezinearticles, Goarticles, Idea Marketers, Article Dashboard, Amazines, Buzzle are all good. You can also put pages on Hubpages and Squidoo.
I think this is because you don't have the necessary traffic, or you have set your sitemap to update daily or weekly
Best way that is working for me is to post the new pages links in forums and blogs that gets indexed faster
You can create an xml sitemap of your website through g-site crawler and submit in google webmaster tools. This will help you... also verify your website by adding google verification code into your site.
start making tons of backlinks.More you make backlinks greater are there chances to get higher rank in google search.
Whats da consistency with bookmarking ??? ... i mean you have to follow up well or ranking goes down quickly as well